204976225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1571}}^1$

素因数の和:1905

約数の個数: 24

約数和(自身を含む): 270170208

約数和(自身を除く): 65193983

約数列:

[1, 5, 17, 25, 85, 307, 425, 1535, 1571, 5219, 7675, 7855, 26095, 26707, 39275, 130475, 133535, 482297, 667675, 2411485, 8199049, 12057425, 40995245, 204976225]

約数ペア:

[(1, 204976225), (5, 40995245), (17, 12057425), (25, 8199049), (85, 2411485), (307, 667675), (425, 482297), (1535, 133535), (1571, 130475), (5219, 39275), (7675, 26707), (7855, 26095)]