78648479

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{397}}^1$

素因数の和:735

約数の個数: 24

約数和(自身を含む): 99092448

約数和(自身を除く): 20443969

約数列:

[1, 7, 13, 49, 91, 311, 397, 637, 2177, 2779, 4043, 5161, 15239, 19453, 28301, 36127, 123467, 198107, 252889, 864269, 1605071, 6049883, 11235497, 78648479]

約数ペア:

[(1, 78648479), (7, 11235497), (13, 6049883), (49, 1605071), (91, 864269), (311, 252889), (397, 198107), (637, 123467), (2177, 36127), (2779, 28301), (4043, 19453), (5161, 15239)]