81279815

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37199}}^1$

素因数の和:37246

約数の個数: 16

約数和(自身を含む): 107136000

約数和(自身を除く): 25856185

約数列:

[1, 5, 19, 23, 95, 115, 437, 2185, 37199, 185995, 706781, 855577, 3533905, 4277885, 16255963, 81279815]

約数ペア:

[(1, 81279815), (5, 16255963), (19, 4277885), (23, 3533905), (95, 855577), (115, 706781), (437, 185995), (2185, 37199)]