399164432

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{804767}}^1$

素因数の和:804806

約数の個数: 20

約数和(自身を含む): 798329856

約数和(自身を除く): 399165424

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 804767, 1609534, 3219068, 6438136, 12876272, 24947777, 49895554, 99791108, 199582216, 399164432]

約数ペア:

[(1, 399164432), (2, 199582216), (4, 99791108), (8, 49895554), (16, 24947777), (31, 12876272), (62, 6438136), (124, 3219068), (248, 1609534), (496, 804767)]