217214844

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 216

約数和(自身を含む): 672465024

約数和(自身を除く): 455250180

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 43, 44, 49, 66, 71, 77, 84, 86, 98, 121, 129, 132, 142, 147, 154, 172, 196, 213, 231, 242, 258, 284, 294, 301, 308, 363, 426, 462, 473, 484, 497, 516, 539, 588, 602, 726, 781, 847, 852, 903, 924, 946, 994, 1078, 1204, 1419, 1452, 1491, 1562, 1617, 1694, 1806, 1892, 1988, 2107, 2156, 2343, 2541, 2838, 2982, 3053, 3124, 3234, 3311, 3388, 3479, 3612, 4214, 4686, 5082, 5203, 5467, 5676, 5929, 5964, 6106, 6321, 6468, 6622, 6958, 8428, 8591, 9159, 9372, 9933, 10164, 10406, 10437, 10934, 11858, 12212, 12642, 13244, 13916, 15609, 16401, 17182, 17787, 18318, 19866, 20812, 20874, 21371, 21868, 23177, 23716, 25284, 25773, 31218, 32802, 33583, 34364, 35574, 36421, 36636, 38269, 39732, 41748, 42742, 46354, 51546, 60137, 62436, 64113, 65604, 67166, 69531, 71148, 72842, 76538, 85484, 92708, 100749, 103092, 109263, 114807, 120274, 128226, 134332, 139062, 145684, 149597, 153076, 180411, 201498, 218526, 229614, 235081, 240548, 254947, 256452, 278124, 299194, 360822, 369413, 402996, 420959, 437052, 448791, 459228, 470162, 509894, 598388, 705243, 721644, 738826, 764841, 841918, 897582, 940324, 1019788, 1108239, 1262877, 1410486, 1477652, 1529682, 1645567, 1683836, 1795164, 2216478, 2525754, 2585891, 2820972, 3059364, 3291134, 4432956, 4936701, 5051508, 5171782, 6582268, 7757673, 9873402, 10343564, 15515346, 18101237, 19746804, 31030692, 36202474, 54303711, 72404948, 108607422, 217214844]

約数ペア:

[(1, 217214844), (2, 108607422), (3, 72404948), (4, 54303711), (6, 36202474), (7, 31030692), (11, 19746804), (12, 18101237), (14, 15515346), (21, 10343564), (22, 9873402), (28, 7757673), (33, 6582268), (42, 5171782), (43, 5051508), (44, 4936701), (49, 4432956), (66, 3291134), (71, 3059364), (77, 2820972), (84, 2585891), (86, 2525754), (98, 2216478), (121, 1795164), (129, 1683836), (132, 1645567), (142, 1529682), (147, 1477652), (154, 1410486), (172, 1262877), (196, 1108239), (213, 1019788), (231, 940324), (242, 897582), (258, 841918), (284, 764841), (294, 738826), (301, 721644), (308, 705243), (363, 598388), (426, 509894), (462, 470162), (473, 459228), (484, 448791), (497, 437052), (516, 420959), (539, 402996), (588, 369413), (602, 360822), (726, 299194), (781, 278124), (847, 256452), (852, 254947), (903, 240548), (924, 235081), (946, 229614), (994, 218526), (1078, 201498), (1204, 180411), (1419, 153076), (1452, 149597), (1491, 145684), (1562, 139062), (1617, 134332), (1694, 128226), (1806, 120274), (1892, 114807), (1988, 109263), (2107, 103092), (2156, 100749), (2343, 92708), (2541, 85484), (2838, 76538), (2982, 72842), (3053, 71148), (3124, 69531), (3234, 67166), (3311, 65604), (3388, 64113), (3479, 62436), (3612, 60137), (4214, 51546), (4686, 46354), (5082, 42742), (5203, 41748), (5467, 39732), (5676, 38269), (5929, 36636), (5964, 36421), (6106, 35574), (6321, 34364), (6468, 33583), (6622, 32802), (6958, 31218), (8428, 25773), (8591, 25284), (9159, 23716), (9372, 23177), (9933, 21868), (10164, 21371), (10406, 20874), (10437, 20812), (10934, 19866), (11858, 18318), (12212, 17787), (12642, 17182), (13244, 16401), (13916, 15609)]