209976508

素因数分解:

$2^2\times 7^1\times {\mathrm{7499161}}^1$

素因数の和:7499172

約数の個数: 12

約数和(自身を含む): 419953072

約数和(自身を除く): 209976564

約数列:

[1, 2, 4, 7, 14, 28, 7499161, 14998322, 29996644, 52494127, 104988254, 209976508]

約数ペア:

[(1, 209976508), (2, 104988254), (4, 52494127), (7, 29996644), (14, 14998322), (28, 7499161)]