28639767

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10343}}^1$

素因数の和:10430

約数の個数: 16

約数和(自身を含む): 41707008

約数和(自身を除く): 13067241

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 10343, 31029, 134459, 403377, 734353, 2203059, 9546589, 28639767]

約数ペア:

[(1, 28639767), (3, 9546589), (13, 2203059), (39, 734353), (71, 403377), (213, 134459), (923, 31029), (2769, 10343)]