28355665

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1459}}^1$

素因数の和:1513

約数の個数: 24

約数和(自身を含む): 38473920

約数和(自身を除く): 10118255

約数列:

[1, 5, 13, 23, 65, 115, 169, 299, 845, 1459, 1495, 3887, 7295, 18967, 19435, 33557, 94835, 167785, 246571, 436241, 1232855, 2181205, 5671133, 28355665]

約数ペア:

[(1, 28355665), (5, 5671133), (13, 2181205), (23, 1232855), (65, 436241), (115, 246571), (169, 167785), (299, 94835), (845, 33557), (1459, 19435), (1495, 18967), (3887, 7295)]