256557108

素因数分解:

$2^2\times 3^1\times {\mathrm{21379759}}^1$

素因数の和:21379766

約数の個数: 12

約数和(自身を含む): 598633280

約数和(自身を除く): 342076172

約数列:

[1, 2, 3, 4, 6, 12, 21379759, 42759518, 64139277, 85519036, 128278554, 256557108]

約数ペア:

[(1, 256557108), (2, 128278554), (3, 85519036), (4, 64139277), (6, 42759518), (12, 21379759)]