31080889

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2719}}^1$

素因数の和:2820

約数の個数: 16

約数和(自身を含む): 37601280

約数和(自身を除く): 6520391

約数列:

[1, 7, 23, 71, 161, 497, 1633, 2719, 11431, 19033, 62537, 193049, 437759, 1351343, 4440127, 31080889]

約数ペア:

[(1, 31080889), (7, 4440127), (23, 1351343), (71, 437759), (161, 193049), (497, 62537), (1633, 19033), (2719, 11431)]