156905890

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{65651}}^1$

素因数の和:65897

約数の個数: 16

約数和(自身を含む): 283616640

約数和(自身を除く): 126710750

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 65651, 131302, 328255, 656510, 15690589, 31381178, 78452945, 156905890]

約数ペア:

[(1, 156905890), (2, 78452945), (5, 31381178), (10, 15690589), (239, 656510), (478, 328255), (1195, 131302), (2390, 65651)]