397205575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{1222171}}^1$

素因数の和:1222194

約数の個数: 12

約数和(自身を含む): 530422648

約数和(自身を除く): 133217073

約数列:

[1, 5, 13, 25, 65, 325, 1222171, 6110855, 15888223, 30554275, 79441115, 397205575]

約数ペア:

[(1, 397205575), (5, 79441115), (13, 30554275), (25, 15888223), (65, 6110855), (325, 1222171)]