28918414

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{23209}}^1$

素因数の和:23307

約数の個数: 16

約数和(自身を含む): 50133600

約数和(自身を除く): 21215186

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 23209, 46418, 162463, 324926, 2065601, 4131202, 14459207, 28918414]

約数ペア:

[(1, 28918414), (2, 14459207), (7, 4131202), (14, 2065601), (89, 324926), (178, 162463), (623, 46418), (1246, 23209)]