12640408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{379}}^2$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 25923780

約数和(自身を除く): 13283372

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 379, 758, 1516, 3032, 4169, 8338, 16676, 33352, 143641, 287282, 574564, 1149128, 1580051, 3160102, 6320204, 12640408]

約数ペア:

[(1, 12640408), (2, 6320204), (4, 3160102), (8, 1580051), (11, 1149128), (22, 574564), (44, 287282), (88, 143641), (379, 33352), (758, 16676), (1516, 8338), (3032, 4169)]