13578257

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 19305216

約数和(自身を除く): 5726959

約数列:

[1, 7, 11, 17, 23, 41, 77, 119, 121, 161, 187, 253, 287, 391, 451, 697, 847, 943, 1309, 1771, 2057, 2737, 2783, 3157, 4301, 4879, 4961, 6601, 7667, 10373, 14399, 16031, 19481, 30107, 34727, 47311, 53669, 72611, 84337, 112217, 114103, 176341, 331177, 590359, 798721, 1234387, 1939751, 13578257]

約数ペア:

[(1, 13578257), (7, 1939751), (11, 1234387), (17, 798721), (23, 590359), (41, 331177), (77, 176341), (119, 114103), (121, 112217), (161, 84337), (187, 72611), (253, 53669), (287, 47311), (391, 34727), (451, 30107), (697, 19481), (847, 16031), (943, 14399), (1309, 10373), (1771, 7667), (2057, 6601), (2737, 4961), (2783, 4879), (3157, 4301)]