28684004

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{65789}}^1$

素因数の和:65902

約数の個数: 12

約数和(自身を含む): 50658300

約数和(自身を除く): 21974296

約数列:

[1, 2, 4, 109, 218, 436, 65789, 131578, 263156, 7171001, 14342002, 28684004]

約数ペア:

[(1, 28684004), (2, 14342002), (4, 7171001), (109, 263156), (218, 131578), (436, 65789)]