157788238

素因数分解:

$2^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1\times {\mathrm{1123}}^1$

素因数の和:1719

約数の個数: 16

約数和(自身を含む): 238899456

約数和(自身を除く): 81111218

約数列:

[1, 2, 163, 326, 431, 862, 1123, 2246, 70253, 140506, 183049, 366098, 484013, 968026, 78894119, 157788238]

約数ペア:

[(1, 157788238), (2, 78894119), (163, 968026), (326, 484013), (431, 366098), (862, 183049), (1123, 140506), (2246, 70253)]