13980659

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5857}}^1$

素因数の和:5906

約数の個数: 16

約数和(自身を含む): 17995776

約数和(自身を除く): 4015117

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 5857, 40999, 64427, 181567, 450989, 1270969, 1997237, 13980659]

約数ペア:

[(1, 13980659), (7, 1997237), (11, 1270969), (31, 450989), (77, 181567), (217, 64427), (341, 40999), (2387, 5857)]