87290575

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{691}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 112580096

約数和(自身を除く): 25289521

約数列:

[1, 5, 25, 31, 155, 163, 691, 775, 815, 3455, 4075, 5053, 17275, 21421, 25265, 107105, 112633, 126325, 535525, 563165, 2815825, 3491623, 17458115, 87290575]

約数ペア:

[(1, 87290575), (5, 17458115), (25, 3491623), (31, 2815825), (155, 563165), (163, 535525), (691, 126325), (775, 112633), (815, 107105), (3455, 25265), (4075, 21421), (5053, 17275)]