12890171

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:518

約数の個数: 16

約数和(自身を含む): 15274176

約数和(自身を除く): 2384005

約数列:

[1, 7, 37, 157, 259, 317, 1099, 2219, 5809, 11729, 40663, 49769, 82103, 348383, 1841453, 12890171]

約数ペア:

[(1, 12890171), (7, 1841453), (37, 348383), (157, 82103), (259, 49769), (317, 40663), (1099, 11729), (2219, 5809)]