220291279

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 255467520

約数和(自身を除く): 35176241

約数列:

[1, 13, 29, 43, 107, 127, 377, 559, 1247, 1391, 1651, 3103, 3683, 4601, 5461, 13589, 16211, 40339, 47879, 59813, 70993, 133429, 158369, 176657, 394081, 584327, 1734577, 2058797, 5123053, 7596251, 16945483, 220291279]

約数ペア:

[(1, 220291279), (13, 16945483), (29, 7596251), (43, 5123053), (107, 2058797), (127, 1734577), (377, 584327), (559, 394081), (1247, 176657), (1391, 158369), (1651, 133429), (3103, 70993), (3683, 59813), (4601, 47879), (5461, 40339), (13589, 16211)]