78820777

素因数分解:

$7^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 91469952

約数和(自身を除く): 12649175

約数列:

[1, 7, 113, 251, 397, 791, 1757, 2779, 28363, 44861, 99647, 198541, 314027, 697529, 11260111, 78820777]

約数ペア:

[(1, 78820777), (7, 11260111), (113, 697529), (251, 314027), (397, 198541), (791, 99647), (1757, 44861), (2779, 28363)]