28284325

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:453

約数の個数: 24

約数和(自身を含む): 36435168

約数和(自身を除く): 8150843

約数列:

[1, 5, 25, 43, 83, 215, 317, 415, 1075, 1585, 2075, 3569, 7925, 13631, 17845, 26311, 68155, 89225, 131555, 340775, 657775, 1131373, 5656865, 28284325]

約数ペア:

[(1, 28284325), (5, 5656865), (25, 1131373), (43, 657775), (83, 340775), (215, 131555), (317, 89225), (415, 68155), (1075, 26311), (1585, 17845), (2075, 13631), (3569, 7925)]