81550382

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{2089}}^1$

素因数の和:2371

約数の個数: 16

約数和(自身を含む): 124146000

約数和(自身を除く): 42595618

約数列:

[1, 2, 131, 149, 262, 298, 2089, 4178, 19519, 39038, 273659, 311261, 547318, 622522, 40775191, 81550382]

約数ペア:

[(1, 81550382), (2, 40775191), (131, 622522), (149, 547318), (262, 311261), (298, 273659), (2089, 39038), (4178, 19519)]