71137525

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 90272000

約数和(自身を除く): 19134475

約数列:

[1, 5, 25, 79, 181, 199, 395, 905, 995, 1975, 4525, 4975, 14299, 15721, 36019, 71495, 78605, 180095, 357475, 393025, 900475, 2845501, 14227505, 71137525]

約数ペア:

[(1, 71137525), (5, 14227505), (25, 2845501), (79, 900475), (181, 393025), (199, 357475), (395, 180095), (905, 78605), (995, 71495), (1975, 36019), (4525, 15721), (4975, 14299)]