81304828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{757}}^1\times {\mathrm{2441}}^1$

素因数の和:3213

約数の個数: 24

約数和(自身を含む): 155487024

約数和(自身を除く): 74182196

約数列:

[1, 2, 4, 11, 22, 44, 757, 1514, 2441, 3028, 4882, 8327, 9764, 16654, 26851, 33308, 53702, 107404, 1847837, 3695674, 7391348, 20326207, 40652414, 81304828]

約数ペア:

[(1, 81304828), (2, 40652414), (4, 20326207), (11, 7391348), (22, 3695674), (44, 1847837), (757, 107404), (1514, 53702), (2441, 33308), (3028, 26851), (4882, 16654), (8327, 9764)]