28551704

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{209939}}^1$

素因数の和:209962

約数の個数: 16

約数和(自身を含む): 56683800

約数和(自身を除く): 28132096

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 209939, 419878, 839756, 1679512, 3568963, 7137926, 14275852, 28551704]

約数ペア:

[(1, 28551704), (2, 14275852), (4, 7137926), (8, 3568963), (17, 1679512), (34, 839756), (68, 419878), (136, 209939)]