256742222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1721}}^1\times {\mathrm{6781}}^1$

素因数の和:8515

約数の個数: 16

約数和(自身を含む): 420429744

約数和(自身を除く): 163687522

約数列:

[1, 2, 11, 22, 1721, 3442, 6781, 13562, 18931, 37862, 74591, 149182, 11670101, 23340202, 128371111, 256742222]

約数ペア:

[(1, 256742222), (2, 128371111), (11, 23340202), (22, 11670101), (1721, 149182), (3442, 74591), (6781, 37862), (13562, 18931)]