15721392205

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{2309}}^1\times {\mathrm{71671}}^1$

素因数の和:74004

約数の個数: 16

約数和(自身を含む): 19867478400

約数和(自身を除く): 4146086195

約数列:

[1, 5, 19, 95, 2309, 11545, 43871, 71671, 219355, 358355, 1361749, 6808745, 165488339, 827441695, 3144278441, 15721392205]

約数ペア:

[(1, 15721392205), (5, 3144278441), (19, 827441695), (95, 165488339), (2309, 6808745), (11545, 1361749), (43871, 358355), (71671, 219355)]