259163968

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18661}}^1$

素因数の和:18711

約数の個数: 56

約数和(自身を含む): 606738944

約数和(自身を除く): 347574976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 6944, 13888, 18661, 37322, 74644, 130627, 149288, 261254, 298576, 522508, 578491, 597152, 1045016, 1156982, 1194304, 2090032, 2313964, 4049437, 4180064, 4627928, 8098874, 8360128, 9255856, 16197748, 18511712, 32395496, 37023424, 64790992, 129581984, 259163968]

約数ペア:

[(1, 259163968), (2, 129581984), (4, 64790992), (7, 37023424), (8, 32395496), (14, 18511712), (16, 16197748), (28, 9255856), (31, 8360128), (32, 8098874), (56, 4627928), (62, 4180064), (64, 4049437), (112, 2313964), (124, 2090032), (217, 1194304), (224, 1156982), (248, 1045016), (434, 597152), (448, 578491), (496, 522508), (868, 298576), (992, 261254), (1736, 149288), (1984, 130627), (3472, 74644), (6944, 37322), (13888, 18661)]