1291225525

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{727451}}^1$

素因数の和:727532

約数の個数: 12

約数和(自身を含む): 1623672864

約数和(自身を除く): 332447339

約数列:

[1, 5, 25, 71, 355, 1775, 727451, 3637255, 18186275, 51649021, 258245105, 1291225525]

約数ペア:

[(1, 1291225525), (5, 258245105), (25, 51649021), (71, 18186275), (355, 3637255), (1775, 727451)]