221488888

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{675271}}^1$

素因数の和:675318

約数の個数: 16

約数和(自身を含む): 425421360

約数和(自身を除く): 203932472

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 675271, 1350542, 2701084, 5402168, 27686111, 55372222, 110744444, 221488888]

約数ペア:

[(1, 221488888), (2, 110744444), (4, 55372222), (8, 27686111), (41, 5402168), (82, 2701084), (164, 1350542), (328, 675271)]