206521348

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{426697}}^1$

素因数の和:426723

約数の個数: 18

約数和(自身を含む): 397255838

約数和(自身を除く): 190734490

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 426697, 853394, 1706788, 4693667, 9387334, 18774668, 51630337, 103260674, 206521348]

約数ペア:

[(1, 206521348), (2, 103260674), (4, 51630337), (11, 18774668), (22, 9387334), (44, 4693667), (121, 1706788), (242, 853394), (484, 426697)]