81611174

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{1999}}^1$

素因数の和:2287

約数の個数: 16

約数和(自身を含む): 124200000

約数和(自身を除く): 42588826

約数列:

[1, 2, 137, 149, 274, 298, 1999, 3998, 20413, 40826, 273863, 297851, 547726, 595702, 40805587, 81611174]

約数ペア:

[(1, 81611174), (2, 40805587), (137, 595702), (149, 547726), (274, 297851), (298, 273863), (1999, 40826), (3998, 20413)]