657380042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{489851}}^1$

素因数の和:489925

約数の個数: 16

約数和(自身を含む): 1093349664

約数和(自身を除く): 435969622

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 489851, 979702, 5388361, 10776722, 29880911, 59761822, 328690021, 657380042]

約数ペア:

[(1, 657380042), (2, 328690021), (11, 59761822), (22, 29880911), (61, 10776722), (122, 5388361), (671, 979702), (1342, 489851)]