140000009872

素因数分解:

$2^4\times {\mathrm{2213}}^1\times {\mathrm{3953909}}^1$

素因数の和:3956130

約数の個数: 20

約数和(自身を含む): 271372658940

約数和(自身を除く): 131372649068

約数列:

[1, 2, 4, 8, 16, 2213, 4426, 8852, 17704, 35408, 3953909, 7907818, 15815636, 31631272, 63262544, 8750000617, 17500001234, 35000002468, 70000004936, 140000009872]

約数ペア:

[(1, 140000009872), (2, 70000004936), (4, 35000002468), (8, 17500001234), (16, 8750000617), (2213, 63262544), (4426, 31631272), (8852, 15815636), (17704, 7907818), (35408, 3953909)]