399704

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{2939}}^1$

素因数の和:2962

約数の個数: 16

約数和(自身を含む): 793800

約数和(自身を除く): 394096

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 2939, 5878, 11756, 23512, 49963, 99926, 199852, 399704]

約数ペア:

[(1, 399704), (2, 199852), (4, 99926), (8, 49963), (17, 23512), (34, 11756), (68, 5878), (136, 2939)]