9987395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 13837824

約数和(自身を除く): 3850429

約数列:

[1, 5, 11, 41, 43, 55, 103, 205, 215, 451, 473, 515, 1133, 1763, 2255, 2365, 4223, 4429, 5665, 8815, 19393, 21115, 22145, 46453, 48719, 96965, 181589, 232265, 243595, 907945, 1997479, 9987395]

約数ペア:

[(1, 9987395), (5, 1997479), (11, 907945), (41, 243595), (43, 232265), (55, 181589), (103, 96965), (205, 48719), (215, 46453), (451, 22145), (473, 21115), (515, 19393), (1133, 8815), (1763, 5665), (2255, 4429), (2365, 4223)]