207995788

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 512392608

約数和(自身を除く): 304396820

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 41, 44, 49, 52, 77, 82, 91, 98, 143, 154, 164, 181, 182, 196, 286, 287, 308, 362, 364, 451, 533, 539, 572, 574, 637, 724, 902, 1001, 1066, 1078, 1148, 1267, 1274, 1804, 1991, 2002, 2009, 2132, 2156, 2353, 2534, 2548, 3157, 3731, 3982, 4004, 4018, 4706, 5068, 5863, 6314, 7007, 7421, 7462, 7964, 8036, 8869, 9412, 11726, 12628, 13937, 14014, 14842, 14924, 16471, 17738, 22099, 23452, 25883, 26117, 27874, 28028, 29684, 32942, 35476, 41041, 44198, 51766, 51947, 52234, 55748, 65884, 81631, 82082, 88396, 96473, 97559, 103532, 103894, 104468, 115297, 163262, 164164, 181181, 192946, 195118, 207788, 230594, 287287, 326524, 362362, 363629, 385892, 390236, 461188, 571417, 574574, 675311, 724724, 727258, 1061203, 1142834, 1149148, 1268267, 1350622, 1454516, 2122406, 2285668, 2536534, 2701244, 3999919, 4244812, 4727177, 5073068, 7428421, 7999838, 9454354, 14856842, 15999676, 18908708, 29713684, 51998947, 103997894, 207995788]

約数ペア:

[(1, 207995788), (2, 103997894), (4, 51998947), (7, 29713684), (11, 18908708), (13, 15999676), (14, 14856842), (22, 9454354), (26, 7999838), (28, 7428421), (41, 5073068), (44, 4727177), (49, 4244812), (52, 3999919), (77, 2701244), (82, 2536534), (91, 2285668), (98, 2122406), (143, 1454516), (154, 1350622), (164, 1268267), (181, 1149148), (182, 1142834), (196, 1061203), (286, 727258), (287, 724724), (308, 675311), (362, 574574), (364, 571417), (451, 461188), (533, 390236), (539, 385892), (572, 363629), (574, 362362), (637, 326524), (724, 287287), (902, 230594), (1001, 207788), (1066, 195118), (1078, 192946), (1148, 181181), (1267, 164164), (1274, 163262), (1804, 115297), (1991, 104468), (2002, 103894), (2009, 103532), (2132, 97559), (2156, 96473), (2353, 88396), (2534, 82082), (2548, 81631), (3157, 65884), (3731, 55748), (3982, 52234), (4004, 51947), (4018, 51766), (4706, 44198), (5068, 41041), (5863, 35476), (6314, 32942), (7007, 29684), (7421, 28028), (7462, 27874), (7964, 26117), (8036, 25883), (8869, 23452), (9412, 22099), (11726, 17738), (12628, 16471), (13937, 14924), (14014, 14842)]