399415352

素因数分解:

$2^3\times 7^1\times {\mathrm{7132417}}^1$

素因数の和:7132430

約数の個数: 16

約数和(自身を含む): 855890160

約数和(自身を除く): 456474808

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 7132417, 14264834, 28529668, 49926919, 57059336, 99853838, 199707676, 399415352]

約数ペア:

[(1, 399415352), (2, 199707676), (4, 99853838), (7, 57059336), (8, 49926919), (14, 28529668), (28, 14264834), (56, 7132417)]