261240644

素因数分解:

$2^2\times 7^1\times {\mathrm{443}}^1\times {\mathrm{21061}}^1$

素因数の和:21515

約数の個数: 24

約数和(自身を含む): 523685568

約数和(自身を除く): 262444924

約数列:

[1, 2, 4, 7, 14, 28, 443, 886, 1772, 3101, 6202, 12404, 21061, 42122, 84244, 147427, 294854, 589708, 9330023, 18660046, 37320092, 65310161, 130620322, 261240644]

約数ペア:

[(1, 261240644), (2, 130620322), (4, 65310161), (7, 37320092), (14, 18660046), (28, 9330023), (443, 589708), (886, 294854), (1772, 147427), (3101, 84244), (6202, 42122), (12404, 21061)]