7999225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 10818752

約数和(自身を除く): 2819527

約数列:

[1, 5, 13, 25, 65, 151, 163, 325, 755, 815, 1963, 2119, 3775, 4075, 9815, 10595, 24613, 49075, 52975, 123065, 319969, 615325, 1599845, 7999225]

約数ペア:

[(1, 7999225), (5, 1599845), (13, 615325), (25, 319969), (65, 123065), (151, 52975), (163, 49075), (325, 24613), (755, 10595), (815, 9815), (1963, 4075), (2119, 3775)]