31312866

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 70963200

約数和(自身を除く): 39650334

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 109, 127, 174, 218, 254, 327, 377, 381, 654, 754, 762, 1131, 1417, 1651, 2262, 2834, 3161, 3302, 3683, 4251, 4953, 6322, 7366, 8502, 9483, 9906, 11049, 13843, 18966, 22098, 27686, 41093, 41529, 47879, 82186, 83058, 95758, 123279, 143637, 179959, 246558, 287274, 359918, 401447, 539877, 802894, 1079754, 1204341, 2408682, 5218811, 10437622, 15656433, 31312866]

約数ペア:

[(1, 31312866), (2, 15656433), (3, 10437622), (6, 5218811), (13, 2408682), (26, 1204341), (29, 1079754), (39, 802894), (58, 539877), (78, 401447), (87, 359918), (109, 287274), (127, 246558), (174, 179959), (218, 143637), (254, 123279), (327, 95758), (377, 83058), (381, 82186), (654, 47879), (754, 41529), (762, 41093), (1131, 27686), (1417, 22098), (1651, 18966), (2262, 13843), (2834, 11049), (3161, 9906), (3302, 9483), (3683, 8502), (4251, 7366), (4953, 6322)]