638739288

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:438

約数の個数: 192

約数和(自身を含む): 1971889920

約数和(自身を除く): 1333150632

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 37, 44, 66, 71, 72, 74, 88, 99, 111, 132, 142, 148, 198, 213, 222, 264, 284, 296, 307, 333, 396, 407, 426, 444, 568, 614, 639, 666, 781, 792, 814, 852, 888, 921, 1221, 1228, 1278, 1332, 1562, 1628, 1704, 1842, 2343, 2442, 2456, 2556, 2627, 2664, 2763, 3124, 3256, 3377, 3663, 3684, 4686, 4884, 5112, 5254, 5526, 6248, 6754, 7029, 7326, 7368, 7881, 9372, 9768, 10131, 10508, 11052, 11359, 13508, 14058, 14652, 15762, 18744, 20262, 21016, 21797, 22104, 22718, 23643, 27016, 28116, 28897, 29304, 30393, 31524, 34077, 40524, 43594, 45436, 47286, 56232, 57794, 60786, 63048, 65391, 68154, 81048, 86691, 87188, 90872, 94572, 102231, 115588, 121572, 124949, 130782, 136308, 173382, 174376, 189144, 196173, 204462, 231176, 239767, 243144, 249898, 260073, 261564, 272616, 346764, 374847, 392346, 408924, 479534, 499796, 520146, 523128, 693528, 719301, 749694, 784692, 806489, 817848, 959068, 999592, 1040292, 1124541, 1438602, 1499388, 1569384, 1612978, 1918136, 2080584, 2157903, 2249082, 2419467, 2877204, 2998776, 3225956, 4315806, 4498164, 4838934, 5754408, 6451912, 7258401, 8631612, 8871379, 8996328, 9677868, 14516802, 17263224, 17742758, 19355736, 26614137, 29033604, 35485516, 53228274, 58067208, 70971032, 79842411, 106456548, 159684822, 212913096, 319369644, 638739288]

約数ペア:

[(1, 638739288), (2, 319369644), (3, 212913096), (4, 159684822), (6, 106456548), (8, 79842411), (9, 70971032), (11, 58067208), (12, 53228274), (18, 35485516), (22, 29033604), (24, 26614137), (33, 19355736), (36, 17742758), (37, 17263224), (44, 14516802), (66, 9677868), (71, 8996328), (72, 8871379), (74, 8631612), (88, 7258401), (99, 6451912), (111, 5754408), (132, 4838934), (142, 4498164), (148, 4315806), (198, 3225956), (213, 2998776), (222, 2877204), (264, 2419467), (284, 2249082), (296, 2157903), (307, 2080584), (333, 1918136), (396, 1612978), (407, 1569384), (426, 1499388), (444, 1438602), (568, 1124541), (614, 1040292), (639, 999592), (666, 959068), (781, 817848), (792, 806489), (814, 784692), (852, 749694), (888, 719301), (921, 693528), (1221, 523128), (1228, 520146), (1278, 499796), (1332, 479534), (1562, 408924), (1628, 392346), (1704, 374847), (1842, 346764), (2343, 272616), (2442, 261564), (2456, 260073), (2556, 249898), (2627, 243144), (2664, 239767), (2763, 231176), (3124, 204462), (3256, 196173), (3377, 189144), (3663, 174376), (3684, 173382), (4686, 136308), (4884, 130782), (5112, 124949), (5254, 121572), (5526, 115588), (6248, 102231), (6754, 94572), (7029, 90872), (7326, 87188), (7368, 86691), (7881, 81048), (9372, 68154), (9768, 65391), (10131, 63048), (10508, 60786), (11052, 57794), (11359, 56232), (13508, 47286), (14058, 45436), (14652, 43594), (15762, 40524), (18744, 34077), (20262, 31524), (21016, 30393), (21797, 29304), (22104, 28897), (22718, 28116), (23643, 27016)]