81706079

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4423}}^1$

素因数の和:4479

約数の個数: 24

約数和(自身を含む): 105910560

約数和(自身を除く): 24204481

約数列:

[1, 7, 13, 29, 49, 91, 203, 377, 637, 1421, 2639, 4423, 18473, 30961, 57499, 128267, 216727, 402493, 897869, 1667471, 2817451, 6285083, 11672297, 81706079]

約数ペア:

[(1, 81706079), (7, 11672297), (13, 6285083), (29, 2817451), (49, 1667471), (91, 897869), (203, 402493), (377, 216727), (637, 128267), (1421, 57499), (2639, 30961), (4423, 18473)]