81257137

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{757}}^1$

素因数の和:1152

約数の個数: 16

約数和(自身を含む): 91687680

約数和(自身を除く): 10430543

約数列:

[1, 13, 23, 299, 359, 757, 4667, 8257, 9841, 17411, 107341, 226343, 271763, 3532919, 6250549, 81257137]

約数ペア:

[(1, 81257137), (13, 6250549), (23, 3532919), (299, 271763), (359, 226343), (757, 107341), (4667, 17411), (8257, 9841)]