129586225

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 164052000

約数和(自身を除く): 34465775

約数列:

[1, 5, 25, 89, 139, 419, 445, 695, 2095, 2225, 3475, 10475, 12371, 37291, 58241, 61855, 186455, 291205, 309275, 932275, 1456025, 5183449, 25917245, 129586225]

約数ペア:

[(1, 129586225), (5, 25917245), (25, 5183449), (89, 1456025), (139, 932275), (419, 309275), (445, 291205), (695, 186455), (2095, 61855), (2225, 58241), (3475, 37291), (10475, 12371)]