128851177

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 173923200

約数和(自身を除く): 45072023

約数列:

[1, 7, 13, 17, 43, 91, 119, 149, 169, 221, 301, 559, 731, 1043, 1183, 1547, 1937, 2533, 2873, 3913, 5117, 6407, 7267, 9503, 13559, 17731, 20111, 25181, 32929, 44849, 50869, 66521, 83291, 108919, 123539, 176267, 230503, 428077, 583037, 762433, 864773, 1082783, 1415947, 2996539, 7579481, 9911629, 18407311, 128851177]

約数ペア:

[(1, 128851177), (7, 18407311), (13, 9911629), (17, 7579481), (43, 2996539), (91, 1415947), (119, 1082783), (149, 864773), (169, 762433), (221, 583037), (301, 428077), (559, 230503), (731, 176267), (1043, 123539), (1183, 108919), (1547, 83291), (1937, 66521), (2533, 50869), (2873, 44849), (3913, 32929), (5117, 25181), (6407, 20111), (7267, 17731), (9503, 13559)]