128219968

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{64627}}^1$

素因数の和:64670

約数の個数: 28

約数和(自身を含む): 262648192

約数和(自身を除く): 134428224

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 64627, 129254, 258508, 517016, 1034032, 2003437, 2068064, 4006874, 4136128, 8013748, 16027496, 32054992, 64109984, 128219968]

約数ペア:

[(1, 128219968), (2, 64109984), (4, 32054992), (8, 16027496), (16, 8013748), (31, 4136128), (32, 4006874), (62, 2068064), (64, 2003437), (124, 1034032), (248, 517016), (496, 258508), (992, 129254), (1984, 64627)]