31247902

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{20477}}^1$

素因数の和:20595

約数の個数: 16

約数和(自身を含む): 54061920

約数和(自身を除く): 22814018

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 20477, 40954, 143339, 286678, 2231993, 4463986, 15623951, 31247902]

約数ペア:

[(1, 31247902), (2, 15623951), (7, 4463986), (14, 2231993), (109, 286678), (218, 143339), (763, 40954), (1526, 20477)]