81847780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{584627}}^1$

素因数の和:584643

約数の個数: 24

約数和(自身を含む): 196435008

約数和(自身を除く): 114587228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 584627, 1169254, 2338508, 2923135, 4092389, 5846270, 8184778, 11692540, 16369556, 20461945, 40923890, 81847780]

約数ペア:

[(1, 81847780), (2, 40923890), (4, 20461945), (5, 16369556), (7, 11692540), (10, 8184778), (14, 5846270), (20, 4092389), (28, 2923135), (35, 2338508), (70, 1169254), (140, 584627)]