12722555

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1039}}^1$

素因数の和:1154

約数の個数: 16

約数和(自身を含む): 15974400

約数和(自身を除く): 3251845

約数列:

[1, 5, 31, 79, 155, 395, 1039, 2449, 5195, 12245, 32209, 82081, 161045, 410405, 2544511, 12722555]

約数ペア:

[(1, 12722555), (5, 2544511), (31, 410405), (79, 161045), (155, 82081), (395, 32209), (1039, 12245), (2449, 5195)]