638897376

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:321

約数の個数: 192

約数和(自身を含む): 1896652800

約数和(自身を除く): 1257755424

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 29, 32, 39, 48, 52, 58, 78, 87, 96, 104, 116, 127, 139, 156, 174, 208, 232, 254, 278, 312, 348, 377, 381, 416, 417, 464, 508, 556, 624, 696, 754, 762, 834, 928, 1016, 1112, 1131, 1248, 1392, 1508, 1524, 1651, 1668, 1807, 2032, 2224, 2262, 2784, 3016, 3048, 3302, 3336, 3614, 3683, 4031, 4064, 4448, 4524, 4953, 5421, 6032, 6096, 6604, 6672, 7228, 7366, 8062, 9048, 9906, 10842, 11049, 12064, 12093, 12192, 13208, 13344, 14456, 14732, 16124, 17653, 18096, 19812, 21684, 22098, 24186, 26416, 28912, 29464, 32248, 35306, 36192, 39624, 43368, 44196, 47879, 48372, 52403, 52832, 52959, 57824, 58928, 64496, 70612, 79248, 86736, 88392, 95758, 96744, 104806, 105918, 117856, 128992, 141224, 143637, 157209, 158496, 173472, 176784, 191516, 193488, 209612, 211836, 229489, 282448, 287274, 314418, 353568, 383032, 386976, 419224, 423672, 458978, 511937, 564896, 574548, 628836, 688467, 766064, 838448, 847344, 917956, 1023874, 1149096, 1257672, 1376934, 1532128, 1535811, 1676896, 1694688, 1835912, 2047748, 2298192, 2515344, 2753868, 3071622, 3671824, 4095496, 4596384, 5030688, 5507736, 6143244, 6655181, 7343648, 8190992, 11015472, 12286488, 13310362, 16381984, 19965543, 22030944, 24572976, 26620724, 39931086, 49145952, 53241448, 79862172, 106482896, 159724344, 212965792, 319448688, 638897376]

約数ペア:

[(1, 638897376), (2, 319448688), (3, 212965792), (4, 159724344), (6, 106482896), (8, 79862172), (12, 53241448), (13, 49145952), (16, 39931086), (24, 26620724), (26, 24572976), (29, 22030944), (32, 19965543), (39, 16381984), (48, 13310362), (52, 12286488), (58, 11015472), (78, 8190992), (87, 7343648), (96, 6655181), (104, 6143244), (116, 5507736), (127, 5030688), (139, 4596384), (156, 4095496), (174, 3671824), (208, 3071622), (232, 2753868), (254, 2515344), (278, 2298192), (312, 2047748), (348, 1835912), (377, 1694688), (381, 1676896), (416, 1535811), (417, 1532128), (464, 1376934), (508, 1257672), (556, 1149096), (624, 1023874), (696, 917956), (754, 847344), (762, 838448), (834, 766064), (928, 688467), (1016, 628836), (1112, 574548), (1131, 564896), (1248, 511937), (1392, 458978), (1508, 423672), (1524, 419224), (1651, 386976), (1668, 383032), (1807, 353568), (2032, 314418), (2224, 287274), (2262, 282448), (2784, 229489), (3016, 211836), (3048, 209612), (3302, 193488), (3336, 191516), (3614, 176784), (3683, 173472), (4031, 158496), (4064, 157209), (4448, 143637), (4524, 141224), (4953, 128992), (5421, 117856), (6032, 105918), (6096, 104806), (6604, 96744), (6672, 95758), (7228, 88392), (7366, 86736), (8062, 79248), (9048, 70612), (9906, 64496), (10842, 58928), (11049, 57824), (12064, 52959), (12093, 52832), (12192, 52403), (13208, 48372), (13344, 47879), (14456, 44196), (14732, 43368), (16124, 39624), (17653, 36192), (18096, 35306), (19812, 32248), (21684, 29464), (22098, 28912), (24186, 26416)]