66719317

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{2153}}^1$

素因数の和:2412

約数の個数: 16

約数和(自身を含む): 80645760

約数和(自身を除く): 13926443

約数列:

[1, 7, 19, 133, 233, 1631, 2153, 4427, 15071, 30989, 40907, 286349, 501649, 3511543, 9531331, 66719317]

約数ペア:

[(1, 66719317), (7, 9531331), (19, 3511543), (133, 501649), (233, 286349), (1631, 40907), (2153, 30989), (4427, 15071)]