28263290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{256939}}^1$

素因数の和:256957

約数の個数: 16

約数和(自身を含む): 55499040

約数和(自身を除く): 27235750

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 256939, 513878, 1284695, 2569390, 2826329, 5652658, 14131645, 28263290]

約数ペア:

[(1, 28263290), (2, 14131645), (5, 5652658), (10, 2826329), (11, 2569390), (22, 1284695), (55, 513878), (110, 256939)]