331355528

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1171}}^1$

素因数の和:1378

約数の個数: 64

約数和(自身を含む): 738078720

約数和(自身を除く): 406723192

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 163, 217, 248, 326, 434, 652, 868, 1141, 1171, 1304, 1736, 2282, 2342, 4564, 4684, 5053, 8197, 9128, 9368, 10106, 16394, 20212, 32788, 35371, 36301, 40424, 65576, 70742, 72602, 141484, 145204, 190873, 254107, 282968, 290408, 381746, 508214, 763492, 1016428, 1336111, 1526984, 2032856, 2672222, 5344444, 5917063, 10688888, 11834126, 23668252, 41419441, 47336504, 82838882, 165677764, 331355528]

約数ペア:

[(1, 331355528), (2, 165677764), (4, 82838882), (7, 47336504), (8, 41419441), (14, 23668252), (28, 11834126), (31, 10688888), (56, 5917063), (62, 5344444), (124, 2672222), (163, 2032856), (217, 1526984), (248, 1336111), (326, 1016428), (434, 763492), (652, 508214), (868, 381746), (1141, 290408), (1171, 282968), (1304, 254107), (1736, 190873), (2282, 145204), (2342, 141484), (4564, 72602), (4684, 70742), (5053, 65576), (8197, 40424), (9128, 36301), (9368, 35371), (10106, 32788), (16394, 20212)]