28740575

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 36828000

約数和(自身を除く): 8087425

約数列:

[1, 5, 25, 53, 109, 199, 265, 545, 995, 1325, 2725, 4975, 5777, 10547, 21691, 28885, 52735, 108455, 144425, 263675, 542275, 1149623, 5748115, 28740575]

約数ペア:

[(1, 28740575), (5, 5748115), (25, 1149623), (53, 542275), (109, 263675), (199, 144425), (265, 108455), (545, 52735), (995, 28885), (1325, 21691), (2725, 10547), (4975, 5777)]