40449978

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1021}}^1$

素因数の和:1131

約数の個数: 48

約数和(自身を含む): 91832832

約数和(自身を除く): 51382854

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 71, 93, 142, 186, 213, 279, 426, 558, 639, 1021, 1278, 2042, 2201, 3063, 4402, 6126, 6603, 9189, 13206, 18378, 19809, 31651, 39618, 63302, 72491, 94953, 144982, 189906, 217473, 284859, 434946, 569718, 652419, 1304838, 2247221, 4494442, 6741663, 13483326, 20224989, 40449978]

約数ペア:

[(1, 40449978), (2, 20224989), (3, 13483326), (6, 6741663), (9, 4494442), (18, 2247221), (31, 1304838), (62, 652419), (71, 569718), (93, 434946), (142, 284859), (186, 217473), (213, 189906), (279, 144982), (426, 94953), (558, 72491), (639, 63302), (1021, 39618), (1278, 31651), (2042, 19809), (2201, 18378), (3063, 13206), (4402, 9189), (6126, 6603)]