320072753

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2687}}^1$

素因数の和:2742

約数の個数: 48

約数和(自身を含む): 463325184

約数和(自身を除く): 143252431

約数列:

[1, 7, 11, 13, 17, 49, 77, 91, 119, 143, 187, 221, 539, 637, 833, 1001, 1309, 1547, 2431, 2687, 7007, 9163, 10829, 17017, 18809, 29557, 34931, 45679, 119119, 131663, 206899, 244517, 319753, 384241, 502469, 593827, 1448293, 1711619, 2238271, 2689687, 3517283, 4156789, 6532097, 18827809, 24620981, 29097523, 45724679, 320072753]

約数ペア:

[(1, 320072753), (7, 45724679), (11, 29097523), (13, 24620981), (17, 18827809), (49, 6532097), (77, 4156789), (91, 3517283), (119, 2689687), (143, 2238271), (187, 1711619), (221, 1448293), (539, 593827), (637, 502469), (833, 384241), (1001, 319753), (1309, 244517), (1547, 206899), (2431, 131663), (2687, 119119), (7007, 45679), (9163, 34931), (10829, 29557), (17017, 18809)]