421722725

素因数分解:

$5^2\times {\mathrm{431}}^1\times {\mathrm{39139}}^1$

素因数の和:39580

約数の個数: 12

約数和(自身を含む): 524162880

約数和(自身を除く): 102440155

約数列:

[1, 5, 25, 431, 2155, 10775, 39139, 195695, 978475, 16868909, 84344545, 421722725]

約数ペア:

[(1, 421722725), (5, 84344545), (25, 16868909), (431, 978475), (2155, 195695), (10775, 39139)]