128574256

素因数分解:

$2^4\times {\mathrm{1201}}^1\times {\mathrm{6691}}^1$

素因数の和:7900

約数の個数: 20

約数和(自身を含む): 249357304

約数和(自身を除く): 120783048

約数列:

[1, 2, 4, 8, 16, 1201, 2402, 4804, 6691, 9608, 13382, 19216, 26764, 53528, 107056, 8035891, 16071782, 32143564, 64287128, 128574256]

約数ペア:

[(1, 128574256), (2, 64287128), (4, 32143564), (8, 16071782), (16, 8035891), (1201, 107056), (2402, 53528), (4804, 26764), (6691, 19216), (9608, 13382)]