399856842

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{26227}}^1$

素因数の和:26264

約数の個数: 72

約数和(自身を含む): 1088357088

約数和(自身を除く): 688500246

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 121, 126, 154, 198, 231, 242, 363, 462, 693, 726, 847, 1089, 1386, 1694, 2178, 2541, 5082, 7623, 15246, 26227, 52454, 78681, 157362, 183589, 236043, 288497, 367178, 472086, 550767, 576994, 865491, 1101534, 1652301, 1730982, 2019479, 2596473, 3173467, 3304602, 4038958, 5192946, 6058437, 6346934, 9520401, 12116874, 18175311, 19040802, 22214269, 28561203, 36350622, 44428538, 57122406, 66642807, 133285614, 199928421, 399856842]

約数ペア:

[(1, 399856842), (2, 199928421), (3, 133285614), (6, 66642807), (7, 57122406), (9, 44428538), (11, 36350622), (14, 28561203), (18, 22214269), (21, 19040802), (22, 18175311), (33, 12116874), (42, 9520401), (63, 6346934), (66, 6058437), (77, 5192946), (99, 4038958), (121, 3304602), (126, 3173467), (154, 2596473), (198, 2019479), (231, 1730982), (242, 1652301), (363, 1101534), (462, 865491), (693, 576994), (726, 550767), (847, 472086), (1089, 367178), (1386, 288497), (1694, 236043), (2178, 183589), (2541, 157362), (5082, 78681), (7623, 52454), (15246, 26227)]