256218976

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{3923}}^1$

素因数の和:4103

約数の個数: 48

約数和(自身を含む): 546832944

約数和(自身を除く): 290613968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 157, 208, 314, 416, 628, 1256, 2041, 2512, 3923, 4082, 5024, 7846, 8164, 15692, 16328, 31384, 32656, 50999, 62768, 65312, 101998, 125536, 203996, 407992, 615911, 815984, 1231822, 1631968, 2463644, 4927288, 8006843, 9854576, 16013686, 19709152, 32027372, 64054744, 128109488, 256218976]

約数ペア:

[(1, 256218976), (2, 128109488), (4, 64054744), (8, 32027372), (13, 19709152), (16, 16013686), (26, 9854576), (32, 8006843), (52, 4927288), (104, 2463644), (157, 1631968), (208, 1231822), (314, 815984), (416, 615911), (628, 407992), (1256, 203996), (2041, 125536), (2512, 101998), (3923, 65312), (4082, 62768), (5024, 50999), (7846, 32656), (8164, 31384), (15692, 16328)]