257480861

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 318536064

約数和(自身を除く): 61055203

約数列:

[1, 11, 17, 41, 43, 71, 121, 187, 451, 473, 697, 731, 781, 1207, 1763, 2057, 2911, 3053, 4961, 5203, 7667, 8041, 8591, 13277, 19393, 29971, 32021, 33583, 49487, 51901, 84337, 88451, 125173, 146047, 213323, 329681, 352231, 369413, 544357, 570911, 1376903, 2127941, 3626491, 5987927, 6280021, 15145933, 23407351, 257480861]

約数ペア:

[(1, 257480861), (11, 23407351), (17, 15145933), (41, 6280021), (43, 5987927), (71, 3626491), (121, 2127941), (187, 1376903), (451, 570911), (473, 544357), (697, 369413), (731, 352231), (781, 329681), (1207, 213323), (1763, 146047), (2057, 125173), (2911, 88451), (3053, 84337), (4961, 51901), (5203, 49487), (7667, 33583), (8041, 32021), (8591, 29971), (13277, 19393)]