209517984

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{523}}^1$

素因数の和:659

約数の個数: 144

約数和(自身を含む): 648883872

約数和(自身を除く): 439365888

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, 107, 117, 144, 156, 208, 214, 234, 288, 312, 321, 416, 428, 468, 523, 624, 642, 856, 936, 963, 1046, 1248, 1284, 1391, 1569, 1712, 1872, 1926, 2092, 2568, 2782, 3138, 3424, 3744, 3852, 4173, 4184, 4707, 5136, 5564, 6276, 6799, 7704, 8346, 8368, 9414, 10272, 11128, 12519, 12552, 13598, 15408, 16692, 16736, 18828, 20397, 22256, 25038, 25104, 27196, 30816, 33384, 37656, 40794, 44512, 50076, 50208, 54392, 55961, 61191, 66768, 75312, 81588, 100152, 108784, 111922, 122382, 133536, 150624, 163176, 167883, 200304, 217568, 223844, 244764, 326352, 335766, 400608, 447688, 489528, 503649, 652704, 671532, 727493, 895376, 979056, 1007298, 1343064, 1454986, 1790752, 1958112, 2014596, 2182479, 2686128, 2909972, 4029192, 4364958, 5372256, 5819944, 6547437, 8058384, 8729916, 11639888, 13094874, 16116768, 17459832, 23279776, 26189748, 34919664, 52379496, 69839328, 104758992, 209517984]

約数ペア:

[(1, 209517984), (2, 104758992), (3, 69839328), (4, 52379496), (6, 34919664), (8, 26189748), (9, 23279776), (12, 17459832), (13, 16116768), (16, 13094874), (18, 11639888), (24, 8729916), (26, 8058384), (32, 6547437), (36, 5819944), (39, 5372256), (48, 4364958), (52, 4029192), (72, 2909972), (78, 2686128), (96, 2182479), (104, 2014596), (107, 1958112), (117, 1790752), (144, 1454986), (156, 1343064), (208, 1007298), (214, 979056), (234, 895376), (288, 727493), (312, 671532), (321, 652704), (416, 503649), (428, 489528), (468, 447688), (523, 400608), (624, 335766), (642, 326352), (856, 244764), (936, 223844), (963, 217568), (1046, 200304), (1248, 167883), (1284, 163176), (1391, 150624), (1569, 133536), (1712, 122382), (1872, 111922), (1926, 108784), (2092, 100152), (2568, 81588), (2782, 75312), (3138, 66768), (3424, 61191), (3744, 55961), (3852, 54392), (4173, 50208), (4184, 50076), (4707, 44512), (5136, 40794), (5564, 37656), (6276, 33384), (6799, 30816), (7704, 27196), (8346, 25104), (8368, 25038), (9414, 22256), (10272, 20397), (11128, 18828), (12519, 16736), (12552, 16692), (13598, 15408)]