81941684

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{15391}}^1$

素因数の和:15428

約数の個数: 24

約数和(自身を含む): 157737216

約数和(自身を除く): 75795532

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1331, 2662, 5324, 15391, 30782, 61564, 169301, 338602, 677204, 1862311, 3724622, 7449244, 20485421, 40970842, 81941684]

約数ペア:

[(1, 81941684), (2, 40970842), (4, 20485421), (11, 7449244), (22, 3724622), (44, 1862311), (121, 677204), (242, 338602), (484, 169301), (1331, 61564), (2662, 30782), (5324, 15391)]