161814978

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22307}}^1$

素因数の和:22359

約数の個数: 48

約数和(自身を含む): 389765376

約数和(自身を除く): 227950398

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 3627, 7254, 22307, 44614, 66921, 133842, 200763, 289991, 401526, 579982, 691517, 869973, 1383034, 1739946, 2074551, 2609919, 4149102, 5219838, 6223653, 8989721, 12447306, 17979442, 26969163, 53938326, 80907489, 161814978]

約数ペア:

[(1, 161814978), (2, 80907489), (3, 53938326), (6, 26969163), (9, 17979442), (13, 12447306), (18, 8989721), (26, 6223653), (31, 5219838), (39, 4149102), (62, 2609919), (78, 2074551), (93, 1739946), (117, 1383034), (186, 869973), (234, 691517), (279, 579982), (403, 401526), (558, 289991), (806, 200763), (1209, 133842), (2418, 66921), (3627, 44614), (7254, 22307)]