221315328

素因数分解:

$2^8\times 3^4\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:862

約数の個数: 180

約数和(自身を含む): 711551148

約数和(自身を除く): 490235820

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 128, 144, 156, 162, 192, 208, 216, 234, 256, 288, 312, 324, 351, 384, 416, 432, 468, 576, 624, 648, 702, 768, 821, 832, 864, 936, 1053, 1152, 1248, 1296, 1404, 1642, 1664, 1728, 1872, 2106, 2304, 2463, 2496, 2592, 2808, 3284, 3328, 3456, 3744, 4212, 4926, 4992, 5184, 5616, 6568, 6912, 7389, 7488, 8424, 9852, 9984, 10368, 10673, 11232, 13136, 14778, 14976, 16848, 19704, 20736, 21346, 22167, 22464, 26272, 29556, 29952, 32019, 33696, 39408, 42692, 44334, 44928, 52544, 59112, 64038, 66501, 67392, 78816, 85384, 88668, 89856, 96057, 105088, 118224, 128076, 133002, 134784, 157632, 170768, 177336, 192114, 210176, 236448, 256152, 266004, 269568, 288171, 315264, 341536, 354672, 384228, 472896, 512304, 532008, 576342, 630528, 683072, 709344, 768456, 864513, 945792, 1024608, 1064016, 1152684, 1366144, 1418688, 1536912, 1729026, 1891584, 2049216, 2128032, 2305368, 2732288, 2837376, 3073824, 3458052, 4098432, 4256064, 4610736, 5674752, 6147648, 6916104, 8196864, 8512128, 9221472, 12295296, 13832208, 17024256, 18442944, 24590592, 27664416, 36885888, 55328832, 73771776, 110657664, 221315328]

約数ペア:

[(1, 221315328), (2, 110657664), (3, 73771776), (4, 55328832), (6, 36885888), (8, 27664416), (9, 24590592), (12, 18442944), (13, 17024256), (16, 13832208), (18, 12295296), (24, 9221472), (26, 8512128), (27, 8196864), (32, 6916104), (36, 6147648), (39, 5674752), (48, 4610736), (52, 4256064), (54, 4098432), (64, 3458052), (72, 3073824), (78, 2837376), (81, 2732288), (96, 2305368), (104, 2128032), (108, 2049216), (117, 1891584), (128, 1729026), (144, 1536912), (156, 1418688), (162, 1366144), (192, 1152684), (208, 1064016), (216, 1024608), (234, 945792), (256, 864513), (288, 768456), (312, 709344), (324, 683072), (351, 630528), (384, 576342), (416, 532008), (432, 512304), (468, 472896), (576, 384228), (624, 354672), (648, 341536), (702, 315264), (768, 288171), (821, 269568), (832, 266004), (864, 256152), (936, 236448), (1053, 210176), (1152, 192114), (1248, 177336), (1296, 170768), (1404, 157632), (1642, 134784), (1664, 133002), (1728, 128076), (1872, 118224), (2106, 105088), (2304, 96057), (2463, 89856), (2496, 88668), (2592, 85384), (2808, 78816), (3284, 67392), (3328, 66501), (3456, 64038), (3744, 59112), (4212, 52544), (4926, 44928), (4992, 44334), (5184, 42692), (5616, 39408), (6568, 33696), (6912, 32019), (7389, 29952), (7488, 29556), (8424, 26272), (9852, 22464), (9984, 22167), (10368, 21346), (10673, 20736), (11232, 19704), (13136, 16848), (14778, 14976)]