638147328

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:459

約数の個数: 288

約数和(自身を含む): 2186720256

約数和(自身を除く): 1548572928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 23, 24, 26, 28, 32, 39, 42, 46, 48, 52, 56, 64, 69, 78, 84, 91, 92, 96, 104, 112, 128, 138, 156, 161, 168, 182, 184, 192, 208, 224, 256, 273, 276, 299, 312, 322, 336, 364, 368, 384, 397, 416, 448, 483, 546, 552, 598, 624, 644, 672, 728, 736, 768, 794, 832, 896, 897, 966, 1092, 1104, 1191, 1196, 1248, 1288, 1344, 1456, 1472, 1588, 1664, 1792, 1794, 1932, 2093, 2184, 2208, 2382, 2392, 2496, 2576, 2688, 2779, 2912, 2944, 3176, 3328, 3588, 3864, 4186, 4368, 4416, 4764, 4784, 4992, 5152, 5161, 5376, 5558, 5824, 5888, 6279, 6352, 7176, 7728, 8337, 8372, 8736, 8832, 9131, 9528, 9568, 9984, 10304, 10322, 11116, 11648, 12558, 12704, 14352, 15456, 15483, 16674, 16744, 17472, 17664, 18262, 19056, 19136, 20608, 20644, 22232, 23296, 25116, 25408, 27393, 28704, 30912, 30966, 33348, 33488, 34944, 36127, 36524, 38112, 38272, 41216, 41288, 44464, 50232, 50816, 54786, 57408, 61824, 61932, 63917, 66696, 66976, 69888, 72254, 73048, 76224, 76544, 82576, 88928, 100464, 101632, 108381, 109572, 114816, 118703, 123648, 123864, 127834, 133392, 133952, 144508, 146096, 152448, 165152, 177856, 191751, 200928, 216762, 219144, 229632, 237406, 247728, 255668, 266784, 267904, 289016, 292192, 304896, 330304, 355712, 356109, 383502, 401856, 433524, 438288, 474812, 495456, 511336, 533568, 535808, 578032, 584384, 660608, 711424, 712218, 767004, 803712, 830921, 867048, 876576, 949624, 990912, 1022672, 1067136, 1156064, 1168768, 1321216, 1424436, 1534008, 1607424, 1661842, 1734096, 1753152, 1899248, 1981824, 2045344, 2134272, 2312128, 2337536, 2492763, 2848872, 3068016, 3323684, 3468192, 3506304, 3798496, 3963648, 4090688, 4624256, 4985526, 5697744, 6136032, 6647368, 6936384, 7012608, 7596992, 8181376, 9248512, 9971052, 11395488, 12272064, 13294736, 13872768, 15193984, 16362752, 19942104, 22790976, 24544128, 26589472, 27745536, 30387968, 39884208, 45581952, 49088256, 53178944, 79768416, 91163904, 106357888, 159536832, 212715776, 319073664, 638147328]

約数ペア:

[(1, 638147328), (2, 319073664), (3, 212715776), (4, 159536832), (6, 106357888), (7, 91163904), (8, 79768416), (12, 53178944), (13, 49088256), (14, 45581952), (16, 39884208), (21, 30387968), (23, 27745536), (24, 26589472), (26, 24544128), (28, 22790976), (32, 19942104), (39, 16362752), (42, 15193984), (46, 13872768), (48, 13294736), (52, 12272064), (56, 11395488), (64, 9971052), (69, 9248512), (78, 8181376), (84, 7596992), (91, 7012608), (92, 6936384), (96, 6647368), (104, 6136032), (112, 5697744), (128, 4985526), (138, 4624256), (156, 4090688), (161, 3963648), (168, 3798496), (182, 3506304), (184, 3468192), (192, 3323684), (208, 3068016), (224, 2848872), (256, 2492763), (273, 2337536), (276, 2312128), (299, 2134272), (312, 2045344), (322, 1981824), (336, 1899248), (364, 1753152), (368, 1734096), (384, 1661842), (397, 1607424), (416, 1534008), (448, 1424436), (483, 1321216), (546, 1168768), (552, 1156064), (598, 1067136), (624, 1022672), (644, 990912), (672, 949624), (728, 876576), (736, 867048), (768, 830921), (794, 803712), (832, 767004), (896, 712218), (897, 711424), (966, 660608), (1092, 584384), (1104, 578032), (1191, 535808), (1196, 533568), (1248, 511336), (1288, 495456), (1344, 474812), (1456, 438288), (1472, 433524), (1588, 401856), (1664, 383502), (1792, 356109), (1794, 355712), (1932, 330304), (2093, 304896), (2184, 292192), (2208, 289016), (2382, 267904), (2392, 266784), (2496, 255668), (2576, 247728), (2688, 237406), (2779, 229632), (2912, 219144), (2944, 216762), (3176, 200928), (3328, 191751), (3588, 177856), (3864, 165152), (4186, 152448), (4368, 146096), (4416, 144508), (4764, 133952), (4784, 133392), (4992, 127834), (5152, 123864), (5161, 123648), (5376, 118703), (5558, 114816), (5824, 109572), (5888, 108381), (6279, 101632), (6352, 100464), (7176, 88928), (7728, 82576), (8337, 76544), (8372, 76224), (8736, 73048), (8832, 72254), (9131, 69888), (9528, 66976), (9568, 66696), (9984, 63917), (10304, 61932), (10322, 61824), (11116, 57408), (11648, 54786), (12558, 50816), (12704, 50232), (14352, 44464), (15456, 41288), (15483, 41216), (16674, 38272), (16744, 38112), (17472, 36524), (17664, 36127), (18262, 34944), (19056, 33488), (19136, 33348), (20608, 30966), (20644, 30912), (22232, 28704), (23296, 27393), (25116, 25408)]