989667456

素因数分解:

$2^7\times 3^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:718

約数の個数: 128

約数和(自身を含む): 2740046400

約数和(自身を除く): 1750378944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 64, 87, 96, 116, 128, 174, 181, 192, 232, 348, 362, 384, 464, 491, 543, 696, 724, 928, 982, 1086, 1392, 1448, 1473, 1856, 1964, 2172, 2784, 2896, 2946, 3712, 3928, 4344, 5249, 5568, 5792, 5892, 7856, 8688, 10498, 11136, 11584, 11784, 14239, 15712, 15747, 17376, 20996, 23168, 23568, 28478, 31424, 31494, 34752, 41992, 42717, 47136, 56956, 62848, 62988, 69504, 83984, 85434, 88871, 94272, 113912, 125976, 167968, 170868, 177742, 188544, 227824, 251952, 266613, 335936, 341736, 355484, 455648, 503904, 533226, 671872, 683472, 710968, 911296, 1007808, 1066452, 1366944, 1421936, 1822592, 2015616, 2132904, 2577259, 2733888, 2843872, 4265808, 5154518, 5467776, 5687744, 7731777, 8531616, 10309036, 11375488, 15463554, 17063232, 20618072, 30927108, 34126464, 41236144, 61854216, 82472288, 123708432, 164944576, 247416864, 329889152, 494833728, 989667456]

約数ペア:

[(1, 989667456), (2, 494833728), (3, 329889152), (4, 247416864), (6, 164944576), (8, 123708432), (12, 82472288), (16, 61854216), (24, 41236144), (29, 34126464), (32, 30927108), (48, 20618072), (58, 17063232), (64, 15463554), (87, 11375488), (96, 10309036), (116, 8531616), (128, 7731777), (174, 5687744), (181, 5467776), (192, 5154518), (232, 4265808), (348, 2843872), (362, 2733888), (384, 2577259), (464, 2132904), (491, 2015616), (543, 1822592), (696, 1421936), (724, 1366944), (928, 1066452), (982, 1007808), (1086, 911296), (1392, 710968), (1448, 683472), (1473, 671872), (1856, 533226), (1964, 503904), (2172, 455648), (2784, 355484), (2896, 341736), (2946, 335936), (3712, 266613), (3928, 251952), (4344, 227824), (5249, 188544), (5568, 177742), (5792, 170868), (5892, 167968), (7856, 125976), (8688, 113912), (10498, 94272), (11136, 88871), (11584, 85434), (11784, 83984), (14239, 69504), (15712, 62988), (15747, 62848), (17376, 56956), (20996, 47136), (23168, 42717), (23568, 41992), (28478, 34752), (31424, 31494)]