85731404

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{177131}}^1$

素因数の和:177157

約数の個数: 18

約数和(自身を含む): 164909892

約数和(自身を除く): 79178488

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 177131, 354262, 708524, 1948441, 3896882, 7793764, 21432851, 42865702, 85731404]

約数ペア:

[(1, 85731404), (2, 42865702), (4, 21432851), (11, 7793764), (22, 3896882), (44, 1948441), (121, 708524), (242, 354262), (484, 177131)]