678340026

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{883}}^1$

素因数の和:985

約数の個数: 144

約数和(自身を含む): 1870805664

約数和(自身を除く): 1192465638

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 67, 78, 91, 98, 117, 126, 134, 147, 182, 201, 234, 273, 294, 402, 441, 469, 546, 603, 637, 819, 871, 882, 883, 938, 1206, 1274, 1407, 1638, 1742, 1766, 1911, 2613, 2649, 2814, 3283, 3822, 4221, 5226, 5298, 5733, 6097, 6181, 6566, 7839, 7947, 8442, 9849, 11466, 11479, 12194, 12362, 15678, 15894, 18291, 18543, 19698, 22958, 29547, 34437, 36582, 37086, 42679, 43267, 54873, 55629, 59094, 59161, 68874, 80353, 85358, 86534, 103311, 109746, 111258, 118322, 128037, 129801, 160706, 177483, 206622, 241059, 256074, 259602, 354966, 384111, 389403, 414127, 482118, 532449, 562471, 723177, 768222, 769093, 778806, 828254, 1064898, 1124942, 1242381, 1446354, 1538186, 1687413, 2307279, 2484762, 2898889, 3374826, 3727143, 4614558, 5062239, 5383651, 5797778, 6921837, 7454286, 8696667, 10124478, 10767302, 13843674, 16150953, 17393334, 26090001, 32301906, 37685557, 48452859, 52180002, 75371114, 96905718, 113056671, 226113342, 339170013, 678340026]

約数ペア:

[(1, 678340026), (2, 339170013), (3, 226113342), (6, 113056671), (7, 96905718), (9, 75371114), (13, 52180002), (14, 48452859), (18, 37685557), (21, 32301906), (26, 26090001), (39, 17393334), (42, 16150953), (49, 13843674), (63, 10767302), (67, 10124478), (78, 8696667), (91, 7454286), (98, 6921837), (117, 5797778), (126, 5383651), (134, 5062239), (147, 4614558), (182, 3727143), (201, 3374826), (234, 2898889), (273, 2484762), (294, 2307279), (402, 1687413), (441, 1538186), (469, 1446354), (546, 1242381), (603, 1124942), (637, 1064898), (819, 828254), (871, 778806), (882, 769093), (883, 768222), (938, 723177), (1206, 562471), (1274, 532449), (1407, 482118), (1638, 414127), (1742, 389403), (1766, 384111), (1911, 354966), (2613, 259602), (2649, 256074), (2814, 241059), (3283, 206622), (3822, 177483), (4221, 160706), (5226, 129801), (5298, 128037), (5733, 118322), (6097, 111258), (6181, 109746), (6566, 103311), (7839, 86534), (7947, 85358), (8442, 80353), (9849, 68874), (11466, 59161), (11479, 59094), (12194, 55629), (12362, 54873), (15678, 43267), (15894, 42679), (18291, 37086), (18543, 36582), (19698, 34437), (22958, 29547)]