31947205

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2609}}^1$

素因数の和:2724

約数の個数: 16

約数和(自身を含む): 40089600

約数和(自身を除く): 8142395

約数列:

[1, 5, 31, 79, 155, 395, 2449, 2609, 12245, 13045, 80879, 206111, 404395, 1030555, 6389441, 31947205]

約数ペア:

[(1, 31947205), (5, 6389441), (31, 1030555), (79, 404395), (155, 206111), (395, 80879), (2449, 13045), (2609, 12245)]