1280497556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1\times {\mathrm{859}}^1$

素因数の和:1248

約数の個数: 48

約数和(自身を含む): 2447491200

約数和(自身を除く): 1166993644

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 263, 436, 526, 859, 1052, 1417, 1718, 2834, 3419, 3436, 5668, 6838, 11167, 13676, 22334, 28667, 44668, 57334, 93631, 114668, 187262, 225917, 372671, 374524, 451834, 745342, 903668, 1217203, 1490684, 2434406, 2936921, 4868812, 5873842, 11747684, 24624953, 49249906, 98499812, 320124389, 640248778, 1280497556]

約数ペア:

[(1, 1280497556), (2, 640248778), (4, 320124389), (13, 98499812), (26, 49249906), (52, 24624953), (109, 11747684), (218, 5873842), (263, 4868812), (436, 2936921), (526, 2434406), (859, 1490684), (1052, 1217203), (1417, 903668), (1718, 745342), (2834, 451834), (3419, 374524), (3436, 372671), (5668, 225917), (6838, 187262), (11167, 114668), (13676, 93631), (22334, 57334), (28667, 44668)]