661806256

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{1008851}}^1$

素因数の和:1008900

約数の個数: 20

約数和(自身を含む): 1313525304

約数和(自身を除く): 651719048

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1008851, 2017702, 4035404, 8070808, 16141616, 41362891, 82725782, 165451564, 330903128, 661806256]

約数ペア:

[(1, 661806256), (2, 330903128), (4, 165451564), (8, 82725782), (16, 41362891), (41, 16141616), (82, 8070808), (164, 4035404), (328, 2017702), (656, 1008851)]