220199288

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{109661}}^1$

素因数の和:109918

約数の個数: 16

約数和(自身を含む): 414522360

約数和(自身を除く): 194323072

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 109661, 219322, 438644, 877288, 27524911, 55049822, 110099644, 220199288]

約数ペア:

[(1, 220199288), (2, 110099644), (4, 55049822), (8, 27524911), (251, 877288), (502, 438644), (1004, 219322), (2008, 109661)]