2021247025

素因数分解:

$5^2\times 7^1\times {\mathrm{11549983}}^1$

素因数の和:11550000

約数の個数: 12

約数和(自身を含む): 2864396032

約数和(自身を除く): 843149007

約数列:

[1, 5, 7, 25, 35, 175, 11549983, 57749915, 80849881, 288749575, 404249405, 2021247025]

約数ペア:

[(1, 2021247025), (5, 404249405), (7, 288749575), (25, 80849881), (35, 57749915), (175, 11549983)]