28745309

素因数分解:

${\mathrm{19}}^1\times {\mathrm{89}}^2\times {\mathrm{191}}^1$

素因数の和:388

約数の個数: 12

約数和(自身を含む): 30762240

約数和(自身を除く): 2016931

約数列:

[1, 19, 89, 191, 1691, 3629, 7921, 16999, 150499, 322981, 1512911, 28745309]

約数ペア:

[(1, 28745309), (19, 1512911), (89, 322981), (191, 150499), (1691, 16999), (3629, 7921)]