208855312

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{318377}}^1$

素因数の和:318426

約数の個数: 20

約数和(自身を含む): 414528156

約数和(自身を除く): 205672844

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 318377, 636754, 1273508, 2547016, 5094032, 13053457, 26106914, 52213828, 104427656, 208855312]

約数ペア:

[(1, 208855312), (2, 104427656), (4, 52213828), (8, 26106914), (16, 13053457), (41, 5094032), (82, 2547016), (164, 1273508), (328, 636754), (656, 318377)]