2178712887

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{786823}}^1$

素因数の和:786910

約数の個数: 16

約数和(自身を含む): 3172474368

約数和(自身を除く): 993761481

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 786823, 2360469, 10228699, 30686097, 55864433, 167593299, 726237629, 2178712887]

約数ペア:

[(1, 2178712887), (3, 726237629), (13, 167593299), (39, 55864433), (71, 30686097), (213, 10228699), (923, 2360469), (2769, 786823)]