205121404

素因数分解:

$2^2\times {\mathrm{443}}^1\times {\mathrm{115757}}^1$

素因数の和:116204

約数の個数: 12

約数和(自身を含む): 359775864

約数和(自身を除く): 154654460

約数列:

[1, 2, 4, 443, 886, 1772, 115757, 231514, 463028, 51280351, 102560702, 205121404]

約数ペア:

[(1, 205121404), (2, 102560702), (4, 51280351), (443, 463028), (886, 231514), (1772, 115757)]