647119746

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:318

約数の個数: 256

約数和(自身を含む): 1935360000

約数和(自身を除く): 1288240254

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 27, 29, 38, 39, 42, 54, 57, 58, 63, 78, 87, 91, 114, 117, 126, 133, 171, 174, 182, 189, 203, 234, 239, 247, 261, 266, 273, 342, 351, 377, 378, 399, 406, 478, 494, 513, 522, 546, 551, 609, 702, 717, 741, 754, 783, 798, 819, 1026, 1102, 1131, 1197, 1218, 1434, 1482, 1566, 1638, 1653, 1673, 1729, 1827, 2151, 2223, 2262, 2394, 2457, 2639, 3107, 3306, 3346, 3393, 3458, 3591, 3654, 3857, 4302, 4446, 4541, 4914, 4959, 5019, 5187, 5278, 5481, 6214, 6453, 6669, 6786, 6931, 7163, 7182, 7714, 7917, 9082, 9321, 9918, 10038, 10179, 10374, 10962, 11571, 12906, 13338, 13623, 13862, 14326, 14877, 15057, 15561, 15834, 18642, 20358, 20793, 21489, 21749, 23142, 23751, 27246, 27963, 29754, 30114, 31122, 31787, 34713, 40869, 41586, 42978, 43498, 45171, 46683, 47502, 48517, 50141, 55926, 59033, 62379, 63574, 64467, 65247, 69426, 71253, 81738, 83889, 90103, 90342, 93366, 95361, 97034, 100282, 104139, 118066, 122607, 124758, 128934, 130494, 131689, 142506, 145551, 150423, 167778, 177099, 180206, 187137, 190722, 193401, 195741, 208278, 245214, 263378, 270309, 286083, 291102, 300846, 354198, 374274, 386802, 391482, 395067, 413231, 436653, 451269, 531297, 540618, 572166, 587223, 630721, 790134, 810927, 826462, 858249, 873306, 902538, 921823, 1062594, 1174446, 1185201, 1239693, 1261442, 1309959, 1353807, 1593891, 1621854, 1711957, 1716498, 1843646, 1892163, 2370402, 2432781, 2479386, 2619918, 2707614, 2765469, 3187782, 3423914, 3555603, 3719079, 3784326, 4865562, 5135871, 5530938, 5676489, 7111206, 7438158, 8296407, 10271742, 11157237, 11352978, 11983699, 15407613, 16592814, 17029467, 22314474, 23967398, 24889221, 30815226, 34058934, 35951097, 46222839, 49778442, 71902194, 92445678, 107853291, 215706582, 323559873, 647119746]

約数ペア:

[(1, 647119746), (2, 323559873), (3, 215706582), (6, 107853291), (7, 92445678), (9, 71902194), (13, 49778442), (14, 46222839), (18, 35951097), (19, 34058934), (21, 30815226), (26, 24889221), (27, 23967398), (29, 22314474), (38, 17029467), (39, 16592814), (42, 15407613), (54, 11983699), (57, 11352978), (58, 11157237), (63, 10271742), (78, 8296407), (87, 7438158), (91, 7111206), (114, 5676489), (117, 5530938), (126, 5135871), (133, 4865562), (171, 3784326), (174, 3719079), (182, 3555603), (189, 3423914), (203, 3187782), (234, 2765469), (239, 2707614), (247, 2619918), (261, 2479386), (266, 2432781), (273, 2370402), (342, 1892163), (351, 1843646), (377, 1716498), (378, 1711957), (399, 1621854), (406, 1593891), (478, 1353807), (494, 1309959), (513, 1261442), (522, 1239693), (546, 1185201), (551, 1174446), (609, 1062594), (702, 921823), (717, 902538), (741, 873306), (754, 858249), (783, 826462), (798, 810927), (819, 790134), (1026, 630721), (1102, 587223), (1131, 572166), (1197, 540618), (1218, 531297), (1434, 451269), (1482, 436653), (1566, 413231), (1638, 395067), (1653, 391482), (1673, 386802), (1729, 374274), (1827, 354198), (2151, 300846), (2223, 291102), (2262, 286083), (2394, 270309), (2457, 263378), (2639, 245214), (3107, 208278), (3306, 195741), (3346, 193401), (3393, 190722), (3458, 187137), (3591, 180206), (3654, 177099), (3857, 167778), (4302, 150423), (4446, 145551), (4541, 142506), (4914, 131689), (4959, 130494), (5019, 128934), (5187, 124758), (5278, 122607), (5481, 118066), (6214, 104139), (6453, 100282), (6669, 97034), (6786, 95361), (6931, 93366), (7163, 90342), (7182, 90103), (7714, 83889), (7917, 81738), (9082, 71253), (9321, 69426), (9918, 65247), (10038, 64467), (10179, 63574), (10374, 62379), (10962, 59033), (11571, 55926), (12906, 50141), (13338, 48517), (13623, 47502), (13862, 46683), (14326, 45171), (14877, 43498), (15057, 42978), (15561, 41586), (15834, 40869), (18642, 34713), (20358, 31787), (20793, 31122), (21489, 30114), (21749, 29754), (23142, 27963), (23751, 27246)]