128401777721

素因数分解:

$7^1\times {\mathrm{359}}^1\times {\mathrm{1447}}^1\times {\mathrm{35311}}^1$

素因数の和:37124

約数の個数: 16

約数和(自身を含む): 147259514880

約数和(自身を除く): 18857737159

約数列:

[1, 7, 359, 1447, 2513, 10129, 35311, 247177, 519473, 3636311, 12676649, 51095017, 88736543, 357665119, 18343111103, 128401777721]

約数ペア:

[(1, 128401777721), (7, 18343111103), (359, 357665119), (1447, 88736543), (2513, 51095017), (10129, 12676649), (35311, 3636311), (247177, 519473)]