217005984

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:567

約数の個数: 144

約数和(自身を含む): 670761000

約数和(自身を除く): 453755016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 149, 156, 208, 234, 288, 298, 312, 389, 416, 447, 468, 596, 624, 778, 894, 936, 1167, 1192, 1248, 1341, 1556, 1788, 1872, 1937, 2334, 2384, 2682, 3112, 3501, 3576, 3744, 3874, 4668, 4768, 5057, 5364, 5811, 6224, 7002, 7152, 7748, 9336, 10114, 10728, 11622, 12448, 14004, 14304, 15171, 15496, 17433, 18672, 20228, 21456, 23244, 28008, 30342, 30992, 34866, 37344, 40456, 42912, 45513, 46488, 56016, 57961, 60684, 61984, 69732, 80912, 91026, 92976, 112032, 115922, 121368, 139464, 161824, 173883, 182052, 185952, 231844, 242736, 278928, 347766, 364104, 463688, 485472, 521649, 557856, 695532, 728208, 753493, 927376, 1043298, 1391064, 1456416, 1506986, 1854752, 2086596, 2260479, 2782128, 3013972, 4173192, 4520958, 5564256, 6027944, 6781437, 8346384, 9041916, 12055888, 13562874, 16692768, 18083832, 24111776, 27125748, 36167664, 54251496, 72335328, 108502992, 217005984]

約数ペア:

[(1, 217005984), (2, 108502992), (3, 72335328), (4, 54251496), (6, 36167664), (8, 27125748), (9, 24111776), (12, 18083832), (13, 16692768), (16, 13562874), (18, 12055888), (24, 9041916), (26, 8346384), (32, 6781437), (36, 6027944), (39, 5564256), (48, 4520958), (52, 4173192), (72, 3013972), (78, 2782128), (96, 2260479), (104, 2086596), (117, 1854752), (144, 1506986), (149, 1456416), (156, 1391064), (208, 1043298), (234, 927376), (288, 753493), (298, 728208), (312, 695532), (389, 557856), (416, 521649), (447, 485472), (468, 463688), (596, 364104), (624, 347766), (778, 278928), (894, 242736), (936, 231844), (1167, 185952), (1192, 182052), (1248, 173883), (1341, 161824), (1556, 139464), (1788, 121368), (1872, 115922), (1937, 112032), (2334, 92976), (2384, 91026), (2682, 80912), (3112, 69732), (3501, 61984), (3576, 60684), (3744, 57961), (3874, 56016), (4668, 46488), (4768, 45513), (5057, 42912), (5364, 40456), (5811, 37344), (6224, 34866), (7002, 30992), (7152, 30342), (7748, 28008), (9336, 23244), (10114, 21456), (10728, 20228), (11622, 18672), (12448, 17433), (14004, 15496), (14304, 15171)]