256336768

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{64601}}^1$

素因数の和:64646

約数の個数: 32

約数和(自身を含む): 527152320

約数和(自身を除く): 270815552

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 64601, 129202, 258404, 516808, 1033616, 2002631, 2067232, 4005262, 4134464, 8010524, 8268928, 16021048, 32042096, 64084192, 128168384, 256336768]

約数ペア:

[(1, 256336768), (2, 128168384), (4, 64084192), (8, 32042096), (16, 16021048), (31, 8268928), (32, 8010524), (62, 4134464), (64, 4005262), (124, 2067232), (128, 2002631), (248, 1033616), (496, 516808), (992, 258404), (1984, 129202), (3968, 64601)]