68190031

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39439}}^1$

素因数の和:39478

約数の個数: 16

約数和(自身を含む): 88345600

約数和(自身を除く): 20155569

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 39439, 276073, 512707, 749341, 3588949, 5245387, 9741433, 68190031]

約数ペア:

[(1, 68190031), (7, 9741433), (13, 5245387), (19, 3588949), (91, 749341), (133, 512707), (247, 276073), (1729, 39439)]