127804816

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{257671}}^1$

素因数の和:257710

約数の個数: 20

約数和(自身を含む): 255610624

約数和(自身を除く): 127805808

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 257671, 515342, 1030684, 2061368, 4122736, 7987801, 15975602, 31951204, 63902408, 127804816]

約数ペア:

[(1, 127804816), (2, 63902408), (4, 31951204), (8, 15975602), (16, 7987801), (31, 4122736), (62, 2061368), (124, 1030684), (248, 515342), (496, 257671)]