209540525

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{118051}}^1$

素因数の和:118132

約数の個数: 12

約数和(自身を含む): 263492064

約数和(自身を除く): 53951539

約数列:

[1, 5, 25, 71, 355, 1775, 118051, 590255, 2951275, 8381621, 41908105, 209540525]

約数ペア:

[(1, 209540525), (5, 41908105), (25, 8381621), (71, 2951275), (355, 590255), (1775, 118051)]