218505394225

素因数分解:

$5^2\times {\mathrm{389}}^1\times {\mathrm{22468421}}^1$

素因数の和:22468820

約数の個数: 12

約数和(自身を含む): 271643221980

約数和(自身を除く): 53137827755

約数列:

[1, 5, 25, 389, 1945, 9725, 22468421, 112342105, 561710525, 8740215769, 43701078845, 218505394225]

約数ペア:

[(1, 218505394225), (5, 43701078845), (25, 8740215769), (389, 561710525), (1945, 112342105), (9725, 22468421)]