172912691

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1\times {\mathrm{647}}^1$

素因数の和:1250

約数の個数: 16

約数和(自身を含む): 201014784

約数和(自身を除く): 28102093

約数列:

[1, 7, 73, 511, 523, 647, 3661, 4529, 38179, 47231, 267253, 330617, 338381, 2368667, 24701813, 172912691]

約数ペア:

[(1, 172912691), (7, 24701813), (73, 2368667), (511, 338381), (523, 330617), (647, 267253), (3661, 47231), (4529, 38179)]