81913216

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8311}}^1$

素因数の和:8343

約数の個数: 64

約数和(自身を含む): 203477760

約数和(自身を除く): 121564544

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 308, 352, 448, 616, 704, 896, 1232, 1408, 2464, 4928, 8311, 9856, 16622, 33244, 58177, 66488, 91421, 116354, 132976, 182842, 232708, 265952, 365684, 465416, 531904, 639947, 731368, 930832, 1063808, 1279894, 1462736, 1861664, 2559788, 2925472, 3723328, 5119576, 5850944, 7446656, 10239152, 11701888, 20478304, 40956608, 81913216]

約数ペア:

[(1, 81913216), (2, 40956608), (4, 20478304), (7, 11701888), (8, 10239152), (11, 7446656), (14, 5850944), (16, 5119576), (22, 3723328), (28, 2925472), (32, 2559788), (44, 1861664), (56, 1462736), (64, 1279894), (77, 1063808), (88, 930832), (112, 731368), (128, 639947), (154, 531904), (176, 465416), (224, 365684), (308, 265952), (352, 232708), (448, 182842), (616, 132976), (704, 116354), (896, 91421), (1232, 66488), (1408, 58177), (2464, 33244), (4928, 16622), (8311, 9856)]