12997231

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2557}}^1$

素因数の和:2610

約数の個数: 16

約数和(自身を含む): 15470784

約数和(自身を除く): 2473553

約数列:

[1, 13, 17, 23, 221, 299, 391, 2557, 5083, 33241, 43469, 58811, 565097, 764543, 999787, 12997231]

約数ペア:

[(1, 12997231), (13, 999787), (17, 764543), (23, 565097), (221, 58811), (299, 43469), (391, 33241), (2557, 5083)]