157047575990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{221193769}}^1$

素因数の和:221193847

約数の個数: 16

約数和(自身を含む): 286667125920

約数和(自身を除く): 129619549930

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 221193769, 442387538, 1105968845, 2211937690, 15704757599, 31409515198, 78523787995, 157047575990]

約数ペア:

[(1, 157047575990), (2, 78523787995), (5, 31409515198), (10, 15704757599), (71, 2211937690), (142, 1105968845), (355, 442387538), (710, 221193769)]