66291916

素因数分解:

$2^2\times {\mathrm{41}}^2\times {\mathrm{9859}}^1$

素因数の和:9945

約数の個数: 18

約数和(自身を含む): 118921460

約数和(自身を除く): 52629544

約数列:

[1, 2, 4, 41, 82, 164, 1681, 3362, 6724, 9859, 19718, 39436, 404219, 808438, 1616876, 16572979, 33145958, 66291916]

約数ペア:

[(1, 66291916), (2, 33145958), (4, 16572979), (41, 1616876), (82, 808438), (164, 404219), (1681, 39436), (3362, 19718), (6724, 9859)]