90639978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{709}}^1$

素因数の和:887

約数の個数: 64

約数和(自身を含む): 214704000

約数和(自身を除く): 124064022

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 149, 286, 298, 429, 447, 709, 858, 894, 1418, 1639, 1937, 2127, 3278, 3874, 4254, 4917, 5811, 7799, 9217, 9834, 11622, 15598, 18434, 21307, 23397, 27651, 42614, 46794, 55302, 63921, 101387, 105641, 127842, 202774, 211282, 304161, 316923, 608322, 633846, 1162051, 1373333, 2324102, 2746666, 3486153, 4119999, 6972306, 8239998, 15106663, 30213326, 45319989, 90639978]

約数ペア:

[(1, 90639978), (2, 45319989), (3, 30213326), (6, 15106663), (11, 8239998), (13, 6972306), (22, 4119999), (26, 3486153), (33, 2746666), (39, 2324102), (66, 1373333), (78, 1162051), (143, 633846), (149, 608322), (286, 316923), (298, 304161), (429, 211282), (447, 202774), (709, 127842), (858, 105641), (894, 101387), (1418, 63921), (1639, 55302), (1937, 46794), (2127, 42614), (3278, 27651), (3874, 23397), (4254, 21307), (4917, 18434), (5811, 15598), (7799, 11622), (9217, 9834)]