256431408

素因数分解:

$2^4\times 3^1\times {\mathrm{701}}^1\times {\mathrm{7621}}^1$

素因数の和:8333

約数の個数: 40

約数和(自身を含む): 663479856

約数和(自身を除く): 407048448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 701, 1402, 2103, 2804, 4206, 5608, 7621, 8412, 11216, 15242, 16824, 22863, 30484, 33648, 45726, 60968, 91452, 121936, 182904, 365808, 5342321, 10684642, 16026963, 21369284, 32053926, 42738568, 64107852, 85477136, 128215704, 256431408]

約数ペア:

[(1, 256431408), (2, 128215704), (3, 85477136), (4, 64107852), (6, 42738568), (8, 32053926), (12, 21369284), (16, 16026963), (24, 10684642), (48, 5342321), (701, 365808), (1402, 182904), (2103, 121936), (2804, 91452), (4206, 60968), (5608, 45726), (7621, 33648), (8412, 30484), (11216, 22863), (15242, 16824)]