81380758

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1\times {\mathrm{2833}}^1$

素因数の和:3159

約数の個数: 16

約数和(自身を含む): 124877376

約数和(自身を除く): 43496618

約数列:

[1, 2, 53, 106, 271, 542, 2833, 5666, 14363, 28726, 150149, 300298, 767743, 1535486, 40690379, 81380758]

約数ペア:

[(1, 81380758), (2, 40690379), (53, 1535486), (106, 767743), (271, 300298), (542, 150149), (2833, 28726), (5666, 14363)]