243257168

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:521

約数の個数: 120

約数和(自身を含む): 608469984

約数和(自身を除く): 365212816

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 67, 77, 88, 98, 112, 134, 154, 176, 196, 268, 308, 392, 421, 469, 536, 539, 616, 737, 784, 842, 938, 1072, 1078, 1232, 1474, 1684, 1876, 2156, 2947, 2948, 3283, 3368, 3752, 4312, 4631, 5159, 5894, 5896, 6566, 6736, 7504, 8624, 9262, 10318, 11788, 11792, 13132, 18524, 20629, 20636, 23576, 26264, 28207, 32417, 36113, 37048, 41258, 41272, 47152, 52528, 56414, 64834, 72226, 74096, 82516, 82544, 112828, 129668, 144452, 165032, 197449, 225656, 226919, 259336, 288904, 310277, 330064, 394898, 451312, 453838, 518672, 577808, 620554, 789796, 907676, 1241108, 1382143, 1579592, 1815352, 2171939, 2482216, 2764286, 3159184, 3630704, 4343878, 4964432, 5528572, 8687756, 11057144, 15203573, 17375512, 22114288, 30407146, 34751024, 60814292, 121628584, 243257168]

約数ペア:

[(1, 243257168), (2, 121628584), (4, 60814292), (7, 34751024), (8, 30407146), (11, 22114288), (14, 17375512), (16, 15203573), (22, 11057144), (28, 8687756), (44, 5528572), (49, 4964432), (56, 4343878), (67, 3630704), (77, 3159184), (88, 2764286), (98, 2482216), (112, 2171939), (134, 1815352), (154, 1579592), (176, 1382143), (196, 1241108), (268, 907676), (308, 789796), (392, 620554), (421, 577808), (469, 518672), (536, 453838), (539, 451312), (616, 394898), (737, 330064), (784, 310277), (842, 288904), (938, 259336), (1072, 226919), (1078, 225656), (1232, 197449), (1474, 165032), (1684, 144452), (1876, 129668), (2156, 112828), (2947, 82544), (2948, 82516), (3283, 74096), (3368, 72226), (3752, 64834), (4312, 56414), (4631, 52528), (5159, 47152), (5894, 41272), (5896, 41258), (6566, 37048), (6736, 36113), (7504, 32417), (8624, 28207), (9262, 26264), (10318, 23576), (11788, 20636), (11792, 20629), (13132, 18524)]