638151696

素因数分解:

$2^4\times 3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{773}}^1$

素因数の和:820

約数の個数: 300

約数和(自身を含む): 2316812652

約数和(自身を除く): 1678660956

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 42, 48, 49, 52, 54, 56, 63, 72, 78, 81, 84, 91, 98, 104, 108, 112, 117, 126, 144, 147, 156, 162, 168, 182, 189, 196, 208, 216, 234, 252, 273, 294, 312, 324, 336, 351, 364, 378, 392, 432, 441, 468, 504, 546, 567, 588, 624, 637, 648, 702, 728, 756, 773, 784, 819, 882, 936, 1008, 1053, 1092, 1134, 1176, 1274, 1296, 1323, 1404, 1456, 1512, 1546, 1638, 1764, 1872, 1911, 2106, 2184, 2268, 2319, 2352, 2457, 2548, 2646, 2808, 3024, 3092, 3276, 3528, 3822, 3969, 4212, 4368, 4536, 4638, 4914, 5096, 5292, 5411, 5616, 5733, 6184, 6552, 6957, 7056, 7371, 7644, 7938, 8424, 9072, 9276, 9828, 10049, 10192, 10584, 10822, 11466, 12368, 13104, 13914, 14742, 15288, 15876, 16233, 16848, 17199, 18552, 19656, 20098, 20871, 21168, 21644, 22932, 27828, 29484, 30147, 30576, 31752, 32466, 34398, 37104, 37877, 39312, 40196, 41742, 43288, 45864, 48699, 51597, 55656, 58968, 60294, 62613, 63504, 64932, 68796, 70343, 75754, 80392, 83484, 86576, 90441, 91728, 97398, 103194, 111312, 113631, 117936, 120588, 125226, 129864, 137592, 140686, 146097, 151508, 160784, 166968, 180882, 194796, 206388, 211029, 227262, 241176, 250452, 259728, 271323, 275184, 281372, 292194, 303016, 333936, 340893, 361764, 389592, 412776, 422058, 438291, 454524, 482352, 492401, 500904, 542646, 562744, 584388, 606032, 633087, 681786, 723528, 779184, 813969, 825552, 844116, 876582, 909048, 984802, 1001808, 1022679, 1085292, 1125488, 1168776, 1266174, 1363572, 1447056, 1477203, 1627938, 1688232, 1753164, 1818096, 1899261, 1969604, 2045358, 2170584, 2337552, 2532348, 2727144, 2954406, 3068037, 3255876, 3376464, 3506328, 3798522, 3939208, 4090716, 4341168, 4431609, 5064696, 5454288, 5697783, 5908812, 6136074, 6511752, 7012656, 7597044, 7878416, 8181432, 8863218, 10129392, 11395566, 11817624, 12272148, 13023504, 13294827, 15194088, 16362864, 17726436, 22791132, 23635248, 24544296, 26589654, 30388176, 35452872, 39884481, 45582264, 49088592, 53179308, 70905744, 79768962, 91164528, 106358616, 159537924, 212717232, 319075848, 638151696]

約数ペア:

[(1, 638151696), (2, 319075848), (3, 212717232), (4, 159537924), (6, 106358616), (7, 91164528), (8, 79768962), (9, 70905744), (12, 53179308), (13, 49088592), (14, 45582264), (16, 39884481), (18, 35452872), (21, 30388176), (24, 26589654), (26, 24544296), (27, 23635248), (28, 22791132), (36, 17726436), (39, 16362864), (42, 15194088), (48, 13294827), (49, 13023504), (52, 12272148), (54, 11817624), (56, 11395566), (63, 10129392), (72, 8863218), (78, 8181432), (81, 7878416), (84, 7597044), (91, 7012656), (98, 6511752), (104, 6136074), (108, 5908812), (112, 5697783), (117, 5454288), (126, 5064696), (144, 4431609), (147, 4341168), (156, 4090716), (162, 3939208), (168, 3798522), (182, 3506328), (189, 3376464), (196, 3255876), (208, 3068037), (216, 2954406), (234, 2727144), (252, 2532348), (273, 2337552), (294, 2170584), (312, 2045358), (324, 1969604), (336, 1899261), (351, 1818096), (364, 1753164), (378, 1688232), (392, 1627938), (432, 1477203), (441, 1447056), (468, 1363572), (504, 1266174), (546, 1168776), (567, 1125488), (588, 1085292), (624, 1022679), (637, 1001808), (648, 984802), (702, 909048), (728, 876582), (756, 844116), (773, 825552), (784, 813969), (819, 779184), (882, 723528), (936, 681786), (1008, 633087), (1053, 606032), (1092, 584388), (1134, 562744), (1176, 542646), (1274, 500904), (1296, 492401), (1323, 482352), (1404, 454524), (1456, 438291), (1512, 422058), (1546, 412776), (1638, 389592), (1764, 361764), (1872, 340893), (1911, 333936), (2106, 303016), (2184, 292194), (2268, 281372), (2319, 275184), (2352, 271323), (2457, 259728), (2548, 250452), (2646, 241176), (2808, 227262), (3024, 211029), (3092, 206388), (3276, 194796), (3528, 180882), (3822, 166968), (3969, 160784), (4212, 151508), (4368, 146097), (4536, 140686), (4638, 137592), (4914, 129864), (5096, 125226), (5292, 120588), (5411, 117936), (5616, 113631), (5733, 111312), (6184, 103194), (6552, 97398), (6957, 91728), (7056, 90441), (7371, 86576), (7644, 83484), (7938, 80392), (8424, 75754), (9072, 70343), (9276, 68796), (9828, 64932), (10049, 63504), (10192, 62613), (10584, 60294), (10822, 58968), (11466, 55656), (12368, 51597), (13104, 48699), (13914, 45864), (14742, 43288), (15288, 41742), (15876, 40196), (16233, 39312), (16848, 37877), (17199, 37104), (18552, 34398), (19656, 32466), (20098, 31752), (20871, 30576), (21168, 30147), (21644, 29484), (22932, 27828)]