28352705

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{401}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 34732800

約数和(自身を除く): 6380095

約数列:

[1, 5, 79, 179, 395, 401, 895, 2005, 14141, 31679, 70705, 71779, 158395, 358895, 5670541, 28352705]

約数ペア:

[(1, 28352705), (5, 5670541), (79, 358895), (179, 158395), (395, 71779), (401, 70705), (895, 31679), (2005, 14141)]