199923908

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{393551}}^1$

素因数の和:393682

約数の個数: 12

約数和(自身を含む): 352622592

約数和(自身を除く): 152698684

約数列:

[1, 2, 4, 127, 254, 508, 393551, 787102, 1574204, 49980977, 99961954, 199923908]

約数ペア:

[(1, 199923908), (2, 99961954), (4, 49980977), (127, 1574204), (254, 787102), (508, 393551)]