221221728

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:426

約数の個数: 288

約数和(自身を含む): 810141696

約数和(自身を除く): 588919968

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 23, 24, 26, 28, 32, 36, 39, 42, 46, 48, 52, 56, 63, 69, 72, 78, 84, 91, 92, 96, 104, 112, 117, 126, 138, 144, 156, 161, 168, 182, 184, 207, 208, 224, 234, 252, 273, 276, 288, 299, 312, 322, 336, 364, 367, 368, 414, 416, 468, 483, 504, 546, 552, 598, 624, 644, 672, 728, 734, 736, 819, 828, 897, 936, 966, 1008, 1092, 1101, 1104, 1196, 1248, 1288, 1449, 1456, 1468, 1638, 1656, 1794, 1872, 1932, 2016, 2093, 2184, 2202, 2208, 2392, 2569, 2576, 2691, 2898, 2912, 2936, 3276, 3303, 3312, 3588, 3744, 3864, 4186, 4368, 4404, 4771, 4784, 5138, 5152, 5382, 5796, 5872, 6279, 6552, 6606, 6624, 7176, 7707, 7728, 8372, 8441, 8736, 8808, 9542, 9568, 10276, 10764, 11592, 11744, 12558, 13104, 13212, 14313, 14352, 15414, 15456, 16744, 16882, 17616, 18837, 19084, 20552, 21528, 23121, 23184, 25116, 25323, 26208, 26424, 28626, 28704, 30828, 33397, 33488, 33764, 35232, 37674, 38168, 41104, 42939, 43056, 46242, 46368, 50232, 50646, 52848, 57252, 59087, 61656, 66794, 66976, 67528, 75348, 75969, 76336, 82208, 85878, 86112, 92484, 100191, 100464, 101292, 105696, 109733, 114504, 118174, 123312, 133588, 135056, 150696, 151938, 152672, 171756, 177261, 184968, 200382, 200928, 202584, 219466, 229008, 236348, 246624, 267176, 270112, 300573, 301392, 303876, 329199, 343512, 354522, 369936, 400764, 405168, 438932, 458016, 472696, 531783, 534352, 601146, 602784, 607752, 658398, 687024, 709044, 739872, 768131, 801528, 810336, 877864, 945392, 987597, 1063566, 1068704, 1202292, 1215504, 1316796, 1374048, 1418088, 1536262, 1603056, 1755728, 1890784, 1975194, 2127132, 2304393, 2404584, 2431008, 2633592, 2836176, 3072524, 3206112, 3511456, 3950388, 4254264, 4608786, 4809168, 5267184, 5672352, 6145048, 6913179, 7900776, 8508528, 9217572, 9618336, 10534368, 12290096, 13826358, 15801552, 17017056, 18435144, 24580192, 27652716, 31603104, 36870288, 55305432, 73740576, 110610864, 221221728]

約数ペア:

[(1, 221221728), (2, 110610864), (3, 73740576), (4, 55305432), (6, 36870288), (7, 31603104), (8, 27652716), (9, 24580192), (12, 18435144), (13, 17017056), (14, 15801552), (16, 13826358), (18, 12290096), (21, 10534368), (23, 9618336), (24, 9217572), (26, 8508528), (28, 7900776), (32, 6913179), (36, 6145048), (39, 5672352), (42, 5267184), (46, 4809168), (48, 4608786), (52, 4254264), (56, 3950388), (63, 3511456), (69, 3206112), (72, 3072524), (78, 2836176), (84, 2633592), (91, 2431008), (92, 2404584), (96, 2304393), (104, 2127132), (112, 1975194), (117, 1890784), (126, 1755728), (138, 1603056), (144, 1536262), (156, 1418088), (161, 1374048), (168, 1316796), (182, 1215504), (184, 1202292), (207, 1068704), (208, 1063566), (224, 987597), (234, 945392), (252, 877864), (273, 810336), (276, 801528), (288, 768131), (299, 739872), (312, 709044), (322, 687024), (336, 658398), (364, 607752), (367, 602784), (368, 601146), (414, 534352), (416, 531783), (468, 472696), (483, 458016), (504, 438932), (546, 405168), (552, 400764), (598, 369936), (624, 354522), (644, 343512), (672, 329199), (728, 303876), (734, 301392), (736, 300573), (819, 270112), (828, 267176), (897, 246624), (936, 236348), (966, 229008), (1008, 219466), (1092, 202584), (1101, 200928), (1104, 200382), (1196, 184968), (1248, 177261), (1288, 171756), (1449, 152672), (1456, 151938), (1468, 150696), (1638, 135056), (1656, 133588), (1794, 123312), (1872, 118174), (1932, 114504), (2016, 109733), (2093, 105696), (2184, 101292), (2202, 100464), (2208, 100191), (2392, 92484), (2569, 86112), (2576, 85878), (2691, 82208), (2898, 76336), (2912, 75969), (2936, 75348), (3276, 67528), (3303, 66976), (3312, 66794), (3588, 61656), (3744, 59087), (3864, 57252), (4186, 52848), (4368, 50646), (4404, 50232), (4771, 46368), (4784, 46242), (5138, 43056), (5152, 42939), (5382, 41104), (5796, 38168), (5872, 37674), (6279, 35232), (6552, 33764), (6606, 33488), (6624, 33397), (7176, 30828), (7707, 28704), (7728, 28626), (8372, 26424), (8441, 26208), (8736, 25323), (8808, 25116), (9542, 23184), (9568, 23121), (10276, 21528), (10764, 20552), (11592, 19084), (11744, 18837), (12558, 17616), (13104, 16882), (13212, 16744), (14313, 15456), (14352, 15414)]