247593472

素因数分解:

$2^9\times 7^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 120

約数和(自身を含む): 587774880

約数和(自身を除く): 340181408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 71, 98, 112, 128, 139, 142, 196, 224, 256, 278, 284, 392, 448, 497, 512, 556, 568, 784, 896, 973, 994, 1112, 1136, 1568, 1792, 1946, 1988, 2224, 2272, 3136, 3479, 3584, 3892, 3976, 4448, 4544, 6272, 6811, 6958, 7784, 7952, 8896, 9088, 9869, 12544, 13622, 13916, 15568, 15904, 17792, 18176, 19738, 25088, 27244, 27832, 31136, 31808, 35584, 36352, 39476, 54488, 55664, 62272, 63616, 69083, 71168, 78952, 108976, 111328, 124544, 127232, 138166, 157904, 217952, 222656, 249088, 254464, 276332, 315808, 435904, 445312, 483581, 498176, 552664, 631616, 871808, 890624, 967162, 1105328, 1263232, 1743616, 1781248, 1934324, 2210656, 2526464, 3487232, 3868648, 4421312, 5052928, 7737296, 8842624, 15474592, 17685248, 30949184, 35370496, 61898368, 123796736, 247593472]

約数ペア:

[(1, 247593472), (2, 123796736), (4, 61898368), (7, 35370496), (8, 30949184), (14, 17685248), (16, 15474592), (28, 8842624), (32, 7737296), (49, 5052928), (56, 4421312), (64, 3868648), (71, 3487232), (98, 2526464), (112, 2210656), (128, 1934324), (139, 1781248), (142, 1743616), (196, 1263232), (224, 1105328), (256, 967162), (278, 890624), (284, 871808), (392, 631616), (448, 552664), (497, 498176), (512, 483581), (556, 445312), (568, 435904), (784, 315808), (896, 276332), (973, 254464), (994, 249088), (1112, 222656), (1136, 217952), (1568, 157904), (1792, 138166), (1946, 127232), (1988, 124544), (2224, 111328), (2272, 108976), (3136, 78952), (3479, 71168), (3584, 69083), (3892, 63616), (3976, 62272), (4448, 55664), (4544, 54488), (6272, 39476), (6811, 36352), (6958, 35584), (7784, 31808), (7952, 31136), (8896, 27832), (9088, 27244), (9869, 25088), (12544, 19738), (13622, 18176), (13916, 17792), (15568, 15904)]