209563286

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{21529}}^1$

素因数の和:21719

約数の個数: 16

約数和(自身を含む): 326567040

約数和(自身を除く): 117003754

約数列:

[1, 2, 31, 62, 157, 314, 4867, 9734, 21529, 43058, 667399, 1334798, 3380053, 6760106, 104781643, 209563286]

約数ペア:

[(1, 209563286), (2, 104781643), (31, 6760106), (62, 3380053), (157, 1334798), (314, 667399), (4867, 43058), (9734, 21529)]