221381888

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 216

約数和(自身を含む): 592498368

約数和(自身を除く): 371116480

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 43, 52, 56, 64, 68, 86, 91, 104, 112, 119, 128, 136, 169, 172, 182, 208, 221, 224, 238, 256, 272, 301, 338, 344, 364, 416, 442, 448, 476, 544, 559, 602, 676, 688, 728, 731, 832, 884, 896, 952, 1088, 1118, 1183, 1204, 1352, 1376, 1456, 1462, 1547, 1664, 1768, 1792, 1904, 2176, 2236, 2366, 2408, 2704, 2752, 2873, 2912, 2924, 3094, 3328, 3536, 3808, 3913, 4352, 4472, 4732, 4816, 5117, 5408, 5504, 5746, 5824, 5848, 6188, 7072, 7267, 7616, 7826, 8944, 9464, 9503, 9632, 10234, 10816, 11008, 11492, 11648, 11696, 12376, 14144, 14534, 15232, 15652, 17888, 18928, 19006, 19264, 20111, 20468, 21632, 22984, 23296, 23392, 24752, 28288, 29068, 30464, 31304, 35776, 37856, 38012, 38528, 40222, 40936, 43264, 45968, 46784, 49504, 50869, 56576, 58136, 62608, 66521, 71552, 75712, 76024, 77056, 80444, 81872, 91936, 93568, 99008, 101738, 116272, 123539, 125216, 133042, 143104, 151424, 152048, 160888, 163744, 183872, 187136, 198016, 203476, 232544, 247078, 250432, 266084, 302848, 304096, 321776, 327488, 367744, 396032, 406952, 465088, 494156, 500864, 532168, 608192, 643552, 654976, 735488, 813904, 864773, 930176, 988312, 1001728, 1064336, 1216384, 1287104, 1309952, 1627808, 1729546, 1860352, 1976624, 2128672, 2432768, 2574208, 3255616, 3459092, 3953248, 4257344, 5148416, 6511232, 6918184, 7906496, 8514688, 13022464, 13836368, 15812992, 17029376, 27672736, 31625984, 55345472, 110690944, 221381888]

約数ペア:

[(1, 221381888), (2, 110690944), (4, 55345472), (7, 31625984), (8, 27672736), (13, 17029376), (14, 15812992), (16, 13836368), (17, 13022464), (26, 8514688), (28, 7906496), (32, 6918184), (34, 6511232), (43, 5148416), (52, 4257344), (56, 3953248), (64, 3459092), (68, 3255616), (86, 2574208), (91, 2432768), (104, 2128672), (112, 1976624), (119, 1860352), (128, 1729546), (136, 1627808), (169, 1309952), (172, 1287104), (182, 1216384), (208, 1064336), (221, 1001728), (224, 988312), (238, 930176), (256, 864773), (272, 813904), (301, 735488), (338, 654976), (344, 643552), (364, 608192), (416, 532168), (442, 500864), (448, 494156), (476, 465088), (544, 406952), (559, 396032), (602, 367744), (676, 327488), (688, 321776), (728, 304096), (731, 302848), (832, 266084), (884, 250432), (896, 247078), (952, 232544), (1088, 203476), (1118, 198016), (1183, 187136), (1204, 183872), (1352, 163744), (1376, 160888), (1456, 152048), (1462, 151424), (1547, 143104), (1664, 133042), (1768, 125216), (1792, 123539), (1904, 116272), (2176, 101738), (2236, 99008), (2366, 93568), (2408, 91936), (2704, 81872), (2752, 80444), (2873, 77056), (2912, 76024), (2924, 75712), (3094, 71552), (3328, 66521), (3536, 62608), (3808, 58136), (3913, 56576), (4352, 50869), (4472, 49504), (4732, 46784), (4816, 45968), (5117, 43264), (5408, 40936), (5504, 40222), (5746, 38528), (5824, 38012), (5848, 37856), (6188, 35776), (7072, 31304), (7267, 30464), (7616, 29068), (7826, 28288), (8944, 24752), (9464, 23392), (9503, 23296), (9632, 22984), (10234, 21632), (10816, 20468), (11008, 20111), (11492, 19264), (11648, 19006), (11696, 18928), (12376, 17888), (14144, 15652), (14534, 15232)]