318441978

素因数分解:

$2^1\times 3^2\times {\mathrm{137}}^1\times {\mathrm{263}}^1\times {\mathrm{491}}^1$

素因数の和:899

約数の個数: 48

約数和(自身を含む): 699057216

約数和(自身を除く): 380615238

約数列:

[1, 2, 3, 6, 9, 18, 137, 263, 274, 411, 491, 526, 789, 822, 982, 1233, 1473, 1578, 2367, 2466, 2946, 4419, 4734, 8838, 36031, 67267, 72062, 108093, 129133, 134534, 201801, 216186, 258266, 324279, 387399, 403602, 605403, 648558, 774798, 1162197, 1210806, 2324394, 17691221, 35382442, 53073663, 106147326, 159220989, 318441978]

約数ペア:

[(1, 318441978), (2, 159220989), (3, 106147326), (6, 53073663), (9, 35382442), (18, 17691221), (137, 2324394), (263, 1210806), (274, 1162197), (411, 774798), (491, 648558), (526, 605403), (789, 403602), (822, 387399), (982, 324279), (1233, 258266), (1473, 216186), (1578, 201801), (2367, 134534), (2466, 129133), (2946, 108093), (4419, 72062), (4734, 67267), (8838, 36031)]