209127906

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:725

約数の個数: 80

約数和(自身を含む): 508200000

約数和(自身を除く): 299072094

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 199, 234, 351, 398, 499, 597, 702, 998, 1053, 1194, 1497, 1791, 2106, 2587, 2994, 3582, 4491, 5174, 5373, 6487, 7761, 8982, 10746, 12974, 13473, 15522, 16119, 19461, 23283, 26946, 32238, 38922, 40419, 46566, 58383, 69849, 80838, 99301, 116766, 139698, 175149, 198602, 209547, 297903, 350298, 419094, 525447, 595806, 893709, 1050894, 1290913, 1787418, 2581826, 2681127, 3872739, 5362254, 7745478, 8043381, 11618217, 16086762, 23236434, 34854651, 69709302, 104563953, 209127906]

約数ペア:

[(1, 209127906), (2, 104563953), (3, 69709302), (6, 34854651), (9, 23236434), (13, 16086762), (18, 11618217), (26, 8043381), (27, 7745478), (39, 5362254), (54, 3872739), (78, 2681127), (81, 2581826), (117, 1787418), (162, 1290913), (199, 1050894), (234, 893709), (351, 595806), (398, 525447), (499, 419094), (597, 350298), (702, 297903), (998, 209547), (1053, 198602), (1194, 175149), (1497, 139698), (1791, 116766), (2106, 99301), (2587, 80838), (2994, 69849), (3582, 58383), (4491, 46566), (5174, 40419), (5373, 38922), (6487, 32238), (7761, 26946), (8982, 23283), (10746, 19461), (12974, 16119), (13473, 15522)]