25420031

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9011}}^1$

素因数の和:9062

約数の個数: 16

約数和(自身を含む): 32299008

約数和(自身を除く): 6878977

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 9011, 63077, 117143, 279341, 820001, 1955387, 3631433, 25420031]

約数ペア:

[(1, 25420031), (7, 3631433), (13, 1955387), (31, 820001), (91, 279341), (217, 117143), (403, 63077), (2821, 9011)]