7721012225

素因数分解:

$5^2\times {\mathrm{211}}^1\times {\mathrm{751}}^1\times {\mathrm{1949}}^1$

素因数の和:2921

約数の個数: 24

約数和(自身を含む): 9637180800

約数和(自身を除く): 1916168575

約数列:

[1, 5, 25, 211, 751, 1055, 1949, 3755, 5275, 9745, 18775, 48725, 158461, 411239, 792305, 1463699, 2056195, 3961525, 7318495, 10280975, 36592475, 308840489, 1544202445, 7721012225]

約数ペア:

[(1, 7721012225), (5, 1544202445), (25, 308840489), (211, 36592475), (751, 10280975), (1055, 7318495), (1949, 3961525), (3755, 2056195), (5275, 1463699), (9745, 792305), (18775, 411239), (48725, 158461)]