13985225

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{7879}}^1$

素因数の和:7960

約数の個数: 12

約数和(自身を含む): 17588160

約数和(自身を除く): 3602935

約数列:

[1, 5, 25, 71, 355, 1775, 7879, 39395, 196975, 559409, 2797045, 13985225]

約数ペア:

[(1, 13985225), (5, 2797045), (25, 559409), (71, 196975), (355, 39395), (1775, 7879)]