208721016

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 256

約数和(自身を含む): 704716800

約数和(自身を除く): 495995784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 31, 36, 42, 54, 56, 61, 62, 63, 72, 73, 84, 93, 108, 122, 124, 126, 146, 168, 183, 186, 189, 216, 217, 219, 244, 248, 252, 279, 292, 366, 372, 378, 427, 434, 438, 488, 504, 511, 549, 558, 584, 651, 657, 732, 744, 756, 837, 854, 868, 876, 1022, 1098, 1116, 1281, 1302, 1314, 1464, 1512, 1533, 1647, 1674, 1708, 1736, 1752, 1891, 1953, 1971, 2044, 2196, 2232, 2263, 2562, 2604, 2628, 3066, 3294, 3348, 3416, 3782, 3843, 3906, 3942, 4088, 4392, 4453, 4526, 4599, 5124, 5208, 5256, 5673, 5859, 6132, 6588, 6696, 6789, 7564, 7686, 7812, 7884, 8906, 9052, 9198, 10248, 11346, 11529, 11718, 12264, 13176, 13237, 13359, 13578, 13797, 15128, 15372, 15624, 15768, 15841, 17019, 17812, 18104, 18396, 20367, 22692, 23058, 23436, 26474, 26718, 27156, 27594, 30744, 31171, 31682, 34038, 35624, 36792, 39711, 40077, 40734, 45384, 46116, 46872, 47523, 51057, 52948, 53436, 54312, 55188, 61101, 62342, 63364, 68076, 79422, 80154, 81468, 92232, 93513, 95046, 102114, 105896, 106872, 110376, 119133, 120231, 122202, 124684, 126728, 136152, 138043, 142569, 158844, 160308, 162936, 187026, 190092, 204228, 238266, 240462, 244404, 249368, 276086, 280539, 285138, 317688, 320616, 357399, 374052, 380184, 408456, 414129, 427707, 476532, 480924, 488808, 552172, 561078, 570276, 714798, 748104, 828258, 841617, 855414, 953064, 961848, 966301, 1104344, 1122156, 1140552, 1242387, 1429596, 1656516, 1683234, 1710828, 1932602, 2244312, 2484774, 2859192, 2898903, 3313032, 3366468, 3421656, 3727161, 3865204, 4969548, 5797806, 6732936, 7454322, 7730408, 8696709, 9939096, 11595612, 14908644, 17393418, 23191224, 26090127, 29817288, 34786836, 52180254, 69573672, 104360508, 208721016]

約数ペア:

[(1, 208721016), (2, 104360508), (3, 69573672), (4, 52180254), (6, 34786836), (7, 29817288), (8, 26090127), (9, 23191224), (12, 17393418), (14, 14908644), (18, 11595612), (21, 9939096), (24, 8696709), (27, 7730408), (28, 7454322), (31, 6732936), (36, 5797806), (42, 4969548), (54, 3865204), (56, 3727161), (61, 3421656), (62, 3366468), (63, 3313032), (72, 2898903), (73, 2859192), (84, 2484774), (93, 2244312), (108, 1932602), (122, 1710828), (124, 1683234), (126, 1656516), (146, 1429596), (168, 1242387), (183, 1140552), (186, 1122156), (189, 1104344), (216, 966301), (217, 961848), (219, 953064), (244, 855414), (248, 841617), (252, 828258), (279, 748104), (292, 714798), (366, 570276), (372, 561078), (378, 552172), (427, 488808), (434, 480924), (438, 476532), (488, 427707), (504, 414129), (511, 408456), (549, 380184), (558, 374052), (584, 357399), (651, 320616), (657, 317688), (732, 285138), (744, 280539), (756, 276086), (837, 249368), (854, 244404), (868, 240462), (876, 238266), (1022, 204228), (1098, 190092), (1116, 187026), (1281, 162936), (1302, 160308), (1314, 158844), (1464, 142569), (1512, 138043), (1533, 136152), (1647, 126728), (1674, 124684), (1708, 122202), (1736, 120231), (1752, 119133), (1891, 110376), (1953, 106872), (1971, 105896), (2044, 102114), (2196, 95046), (2232, 93513), (2263, 92232), (2562, 81468), (2604, 80154), (2628, 79422), (3066, 68076), (3294, 63364), (3348, 62342), (3416, 61101), (3782, 55188), (3843, 54312), (3906, 53436), (3942, 52948), (4088, 51057), (4392, 47523), (4453, 46872), (4526, 46116), (4599, 45384), (5124, 40734), (5208, 40077), (5256, 39711), (5673, 36792), (5859, 35624), (6132, 34038), (6588, 31682), (6696, 31171), (6789, 30744), (7564, 27594), (7686, 27156), (7812, 26718), (7884, 26474), (8906, 23436), (9052, 23058), (9198, 22692), (10248, 20367), (11346, 18396), (11529, 18104), (11718, 17812), (12264, 17019), (13176, 15841), (13237, 15768), (13359, 15624), (13578, 15372), (13797, 15128)]