81516958

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{2089}}^1$

素因数の和:2379

約数の個数: 16

約数和(自身を含む): 124146000

約数和(自身を除く): 42629042

約数列:

[1, 2, 109, 179, 218, 358, 2089, 4178, 19511, 39022, 227701, 373931, 455402, 747862, 40758479, 81516958]

約数ペア:

[(1, 81516958), (2, 40758479), (109, 747862), (179, 455402), (218, 373931), (358, 227701), (2089, 39022), (4178, 19511)]