28571284

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{10103}}^1$

素因数の和:10215

約数の個数: 24

約数和(自身を含む): 57714048

約数和(自身を除く): 29142764

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 10103, 20206, 40412, 70721, 141442, 282884, 1020403, 2040806, 4081612, 7142821, 14285642, 28571284]

約数ペア:

[(1, 28571284), (2, 14285642), (4, 7142821), (7, 4081612), (14, 2040806), (28, 1020403), (101, 282884), (202, 141442), (404, 70721), (707, 40412), (1414, 20206), (2828, 10103)]