16991436

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 52399872

約数和(自身を除く): 35408436

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 37, 42, 44, 49, 66, 71, 74, 77, 84, 98, 111, 132, 142, 147, 148, 154, 196, 213, 222, 231, 259, 284, 294, 308, 407, 426, 444, 462, 497, 518, 539, 588, 777, 781, 814, 852, 924, 994, 1036, 1078, 1221, 1491, 1554, 1562, 1617, 1628, 1813, 1988, 2156, 2343, 2442, 2627, 2849, 2982, 3108, 3124, 3234, 3479, 3626, 4686, 4884, 5254, 5439, 5467, 5698, 5964, 6468, 6958, 7252, 7881, 8547, 9372, 10437, 10508, 10878, 10934, 11396, 13916, 15762, 16401, 17094, 18389, 19943, 20874, 21756, 21868, 28897, 31524, 32802, 34188, 36778, 38269, 39886, 41748, 55167, 57794, 59829, 65604, 73556, 76538, 79772, 86691, 110334, 114807, 115588, 119658, 128723, 153076, 173382, 202279, 220668, 229614, 239316, 257446, 346764, 386169, 404558, 459228, 514892, 606837, 772338, 809116, 1213674, 1415953, 1544676, 2427348, 2831906, 4247859, 5663812, 8495718, 16991436]

約数ペア:

[(1, 16991436), (2, 8495718), (3, 5663812), (4, 4247859), (6, 2831906), (7, 2427348), (11, 1544676), (12, 1415953), (14, 1213674), (21, 809116), (22, 772338), (28, 606837), (33, 514892), (37, 459228), (42, 404558), (44, 386169), (49, 346764), (66, 257446), (71, 239316), (74, 229614), (77, 220668), (84, 202279), (98, 173382), (111, 153076), (132, 128723), (142, 119658), (147, 115588), (148, 114807), (154, 110334), (196, 86691), (213, 79772), (222, 76538), (231, 73556), (259, 65604), (284, 59829), (294, 57794), (308, 55167), (407, 41748), (426, 39886), (444, 38269), (462, 36778), (497, 34188), (518, 32802), (539, 31524), (588, 28897), (777, 21868), (781, 21756), (814, 20874), (852, 19943), (924, 18389), (994, 17094), (1036, 16401), (1078, 15762), (1221, 13916), (1491, 11396), (1554, 10934), (1562, 10878), (1617, 10508), (1628, 10437), (1813, 9372), (1988, 8547), (2156, 7881), (2343, 7252), (2442, 6958), (2627, 6468), (2849, 5964), (2982, 5698), (3108, 5467), (3124, 5439), (3234, 5254), (3479, 4884), (3626, 4686)]