256530108

素因数分解:

$2^2\times 3^1\times {\mathrm{21377509}}^1$

素因数の和:21377516

約数の個数: 12

約数和(自身を含む): 598570280

約数和(自身を除く): 342040172

約数列:

[1, 2, 3, 4, 6, 12, 21377509, 42755018, 64132527, 85510036, 128265054, 256530108]

約数ペア:

[(1, 256530108), (2, 128265054), (3, 85510036), (4, 64132527), (6, 42755018), (12, 21377509)]