123796736

素因数分解:

$2^8\times 7^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 108

約数和(自身を含む): 293600160

約数和(自身を除く): 169803424

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, 556, 568, 784, 896, 973, 994, 1112, 1136, 1568, 1792, 1946, 1988, 2224, 2272, 3136, 3479, 3892, 3976, 4448, 4544, 6272, 6811, 6958, 7784, 7952, 8896, 9088, 9869, 12544, 13622, 13916, 15568, 15904, 17792, 18176, 19738, 27244, 27832, 31136, 31808, 35584, 39476, 54488, 55664, 62272, 63616, 69083, 78952, 108976, 111328, 124544, 127232, 138166, 157904, 217952, 222656, 249088, 276332, 315808, 435904, 445312, 483581, 552664, 631616, 871808, 890624, 967162, 1105328, 1263232, 1743616, 1934324, 2210656, 2526464, 3868648, 4421312, 7737296, 8842624, 15474592, 17685248, 30949184, 61898368, 123796736]

約数ペア:

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