86868815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 121499136

約数和(自身を除く): 34630321

約数列:

[1, 5, 11, 23, 43, 55, 115, 215, 253, 473, 989, 1265, 1597, 2365, 4945, 7985, 10879, 17567, 36731, 54395, 68671, 87835, 183655, 343355, 404041, 755381, 1579433, 2020205, 3776905, 7897165, 17373763, 86868815]

約数ペア:

[(1, 86868815), (5, 17373763), (11, 7897165), (23, 3776905), (43, 2020205), (55, 1579433), (115, 755381), (215, 404041), (253, 343355), (473, 183655), (989, 87835), (1265, 68671), (1597, 54395), (2365, 36731), (4945, 17567), (7985, 10879)]