79897525

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 101277000

約数和(自身を除く): 21379475

約数列:

[1, 5, 25, 89, 149, 241, 445, 745, 1205, 2225, 3725, 6025, 13261, 21449, 35909, 66305, 107245, 179545, 331525, 536225, 897725, 3195901, 15979505, 79897525]

約数ペア:

[(1, 79897525), (5, 15979505), (25, 3195901), (89, 897725), (149, 536225), (241, 331525), (445, 179545), (745, 107245), (1205, 66305), (2225, 35909), (3725, 21449), (6025, 13261)]