28735189

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{523}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 33804288

約数和(自身を除く): 5069099

約数列:

[1, 7, 47, 167, 329, 523, 1169, 3661, 7849, 24581, 54943, 87341, 172067, 611387, 4105027, 28735189]

約数ペア:

[(1, 28735189), (7, 4105027), (47, 611387), (167, 172067), (329, 87341), (523, 54943), (1169, 24581), (3661, 7849)]