12778882

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2609}}^1$

素因数の和:2721

約数の個数: 16

約数和(自身を含む): 20044800

約数和(自身を除く): 7265918

約数列:

[1, 2, 31, 62, 79, 158, 2449, 2609, 4898, 5218, 80879, 161758, 206111, 412222, 6389441, 12778882]

約数ペア:

[(1, 12778882), (2, 6389441), (31, 412222), (62, 206111), (79, 161758), (158, 80879), (2449, 5218), (2609, 4898)]