7220005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{401}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 9387504

約数和(自身を除く): 2167499

約数列:

[1, 5, 13, 65, 277, 401, 1385, 2005, 3601, 5213, 18005, 26065, 111077, 555385, 1444001, 7220005]

約数ペア:

[(1, 7220005), (5, 1444001), (13, 555385), (65, 111077), (277, 26065), (401, 18005), (1385, 5213), (2005, 3601)]