13985881

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8089}}^1$

素因数の和:8128

約数の個数: 16

約数和(自身を含む): 18121600

約数和(自身を除く): 4135719

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 8089, 56623, 105157, 153691, 736099, 1075837, 1997983, 13985881]

約数ペア:

[(1, 13985881), (7, 1997983), (13, 1075837), (19, 736099), (91, 153691), (133, 105157), (247, 56623), (1729, 8089)]