245521225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{2903}}^1$

素因数の和:3129

約数の個数: 24

約数和(自身を含む): 324086400

約数和(自身を除く): 78565175

約数列:

[1, 5, 17, 25, 85, 199, 425, 995, 2903, 3383, 4975, 14515, 16915, 49351, 72575, 84575, 246755, 577697, 1233775, 2888485, 9820849, 14442425, 49104245, 245521225]

約数ペア:

[(1, 245521225), (5, 49104245), (17, 14442425), (25, 9820849), (85, 2888485), (199, 1233775), (425, 577697), (995, 246755), (2903, 84575), (3383, 72575), (4975, 49351), (14515, 16915)]