11 Number theory
11Nxx Multiplicative number theory
11N25 Distribution of integers with specified multiplicative constraints (9 articles)
-
Chen, Gongrui; Wang, Wenxiao:
On the $r$-free values of the polynomial $x^2 + y^2 + z^2 +k$.
(English).
Czechoslovak Mathematical Journal,
vol. 73
(2023),
issue 3,
pp. 955-969
-
Wang, Hui; Zhang, Yu:
On the divisor function over Piatetski-Shapiro sequences.
(English).
Czechoslovak Mathematical Journal,
vol. 73
(2023),
issue 2,
pp. 613-620
-
Sripayap, Angkana; Ruengsinsub, Pattira; Srichan, Teerapat:
On generalized square-full numbers in an arithmetic progression.
(English).
Czechoslovak Mathematical Journal,
vol. 72
(2022),
issue 1,
pp. 149-163
-
Dimitrov, Stoyan:
Pairs of square-free values of the type $n^2+1$, $n^2+2$.
(English).
Czechoslovak Mathematical Journal,
vol. 71
(2021),
issue 4,
pp. 991-1009
-
Luca, Florian; Moodley, Damon:
Composite positive integers whose sum of prime factors is prime.
(English).
Archivum Mathematicum,
vol. 56
(2020),
issue 1,
pp. 49-64
-
Liu, Huaning; Dong, Hui:
On the distribution of consecutive square-free primitive roots modulo $p$.
(English).
Czechoslovak Mathematical Journal,
vol. 65
(2015),
issue 2,
pp. 555-564
-
Clary, Stuart; Fabrykowski, Jacek:
Arithmetic progressions, prime numbers, and squarefree integers.
(English).
Czechoslovak Mathematical Journal,
vol. 54
(2004),
issue 4,
pp. 915-927
-
Puchta, Jan-Christoph:
On the powerful part of $n\sp 2+1$.
(English).
Archivum Mathematicum,
vol. 39
(2003),
issue 3,
pp. 187-189
-
Haas, Augustin:
Poznámka o číslech spřízněných.
(Czech) [A remark on amicable numbers].
Časopis pro pěstování mathematiky a fysiky,
vol. 25
(1896),
issue 5,
pp. 349-350