28220318

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{18493}}^1$

素因数の和:18611

約数の個数: 16

約数和(自身を含む): 48824160

約数和(自身を除く): 20603842

約数列:

[1, 2, 7, 14, 109, 218, 763, 1526, 18493, 36986, 129451, 258902, 2015737, 4031474, 14110159, 28220318]

約数ペア:

[(1, 28220318), (2, 14110159), (7, 4031474), (14, 2015737), (109, 258902), (218, 129451), (763, 36986), (1526, 18493)]