17228939

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 24016608

約数和(自身を除く): 6787669

約数列:

[1, 7, 13, 17, 37, 43, 49, 91, 119, 221, 259, 301, 481, 559, 629, 637, 731, 833, 1547, 1591, 1813, 2107, 3367, 3913, 4403, 5117, 8177, 9503, 10829, 11137, 20683, 23569, 27047, 27391, 30821, 35819, 57239, 66521, 77959, 144781, 189329, 351611, 400673, 465647, 1013467, 1325303, 2461277, 17228939]

約数ペア:

[(1, 17228939), (7, 2461277), (13, 1325303), (17, 1013467), (37, 465647), (43, 400673), (49, 351611), (91, 189329), (119, 144781), (221, 77959), (259, 66521), (301, 57239), (481, 35819), (559, 30821), (629, 27391), (637, 27047), (731, 23569), (833, 20683), (1547, 11137), (1591, 10829), (1813, 9503), (2107, 8177), (3367, 5117), (3913, 4403)]