406779428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{9244987}}^1$

素因数の和:9245002

約数の個数: 12

約数和(自身を含む): 776578992

約数和(自身を除く): 369799564

約数列:

[1, 2, 4, 11, 22, 44, 9244987, 18489974, 36979948, 101694857, 203389714, 406779428]

約数ペア:

[(1, 406779428), (2, 203389714), (4, 101694857), (11, 36979948), (22, 18489974), (44, 9244987)]