13904215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12583}}^1$

素因数の和:12618

約数の個数: 16

約数和(自身を含む): 19027008

約数和(自身を除く): 5122793

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 12583, 62915, 163579, 213911, 817895, 1069555, 2780843, 13904215]

約数ペア:

[(1, 13904215), (5, 2780843), (13, 1069555), (17, 817895), (65, 213911), (85, 163579), (221, 62915), (1105, 12583)]