168321925

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{81119}}^1$

素因数の和:81212

約数の個数: 12

約数和(自身を含む): 211236480

約数和(自身を除く): 42914555

約数列:

[1, 5, 25, 83, 415, 2075, 81119, 405595, 2027975, 6732877, 33664385, 168321925]

約数ペア:

[(1, 168321925), (5, 33664385), (25, 6732877), (83, 2027975), (415, 405595), (2075, 81119)]