81618338

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{13177}}^1$

素因数の和:13361

約数の個数: 16

約数和(自身を含む): 129671520

約数和(自身を除く): 48053182

約数列:

[1, 2, 19, 38, 163, 326, 3097, 6194, 13177, 26354, 250363, 500726, 2147851, 4295702, 40809169, 81618338]

約数ペア:

[(1, 81618338), (2, 40809169), (19, 4295702), (38, 2147851), (163, 500726), (326, 250363), (3097, 26354), (6194, 13177)]