12520925

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{1733}}^1$

素因数の和:1777

約数の個数: 18

約数和(自身を含む): 16502478

約数和(自身を除く): 3981553

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 1733, 7225, 8665, 29461, 43325, 147305, 500837, 736525, 2504185, 12520925]

約数ペア:

[(1, 12520925), (5, 2504185), (17, 736525), (25, 500837), (85, 147305), (289, 43325), (425, 29461), (1445, 8665), (1733, 7225)]