12720444

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3323}}^1$

素因数の和:3370

約数の個数: 48

約数和(自身を含む): 33505920

約数和(自身を除く): 20785476

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 29, 33, 44, 58, 66, 87, 116, 132, 174, 319, 348, 638, 957, 1276, 1914, 3323, 3828, 6646, 9969, 13292, 19938, 36553, 39876, 73106, 96367, 109659, 146212, 192734, 219318, 289101, 385468, 438636, 578202, 1060037, 1156404, 2120074, 3180111, 4240148, 6360222, 12720444]

約数ペア:

[(1, 12720444), (2, 6360222), (3, 4240148), (4, 3180111), (6, 2120074), (11, 1156404), (12, 1060037), (22, 578202), (29, 438636), (33, 385468), (44, 289101), (58, 219318), (66, 192734), (87, 146212), (116, 109659), (132, 96367), (174, 73106), (319, 39876), (348, 36553), (638, 19938), (957, 13292), (1276, 9969), (1914, 6646), (3323, 3828)]