438298336

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:253

約数の個数: 144

約数和(自身を含む): 1059028992

約数和(自身を除く): 620730656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 71, 98, 112, 124, 127, 142, 196, 217, 224, 248, 254, 284, 392, 434, 496, 497, 508, 568, 784, 868, 889, 992, 994, 1016, 1136, 1519, 1568, 1736, 1778, 1988, 2032, 2201, 2272, 3038, 3472, 3479, 3556, 3937, 3976, 4064, 4402, 6076, 6223, 6944, 6958, 7112, 7874, 7952, 8804, 9017, 12152, 12446, 13916, 14224, 15407, 15748, 15904, 17608, 18034, 24304, 24892, 27559, 27832, 28448, 30814, 31496, 35216, 36068, 48608, 49784, 55118, 55664, 61628, 62992, 63119, 70432, 72136, 99568, 107849, 110236, 111328, 123256, 125984, 126238, 144272, 192913, 199136, 215698, 220472, 246512, 252476, 279527, 288544, 385826, 431396, 440944, 441833, 493024, 504952, 559054, 771652, 862792, 881888, 883666, 1009904, 1118108, 1543304, 1725584, 1767332, 1956689, 2019808, 2236216, 3086608, 3451168, 3534664, 3913378, 4472432, 6173216, 7069328, 7826756, 8944864, 13696823, 14138656, 15653512, 27393646, 31307024, 54787292, 62614048, 109574584, 219149168, 438298336]

約数ペア:

[(1, 438298336), (2, 219149168), (4, 109574584), (7, 62614048), (8, 54787292), (14, 31307024), (16, 27393646), (28, 15653512), (31, 14138656), (32, 13696823), (49, 8944864), (56, 7826756), (62, 7069328), (71, 6173216), (98, 4472432), (112, 3913378), (124, 3534664), (127, 3451168), (142, 3086608), (196, 2236216), (217, 2019808), (224, 1956689), (248, 1767332), (254, 1725584), (284, 1543304), (392, 1118108), (434, 1009904), (496, 883666), (497, 881888), (508, 862792), (568, 771652), (784, 559054), (868, 504952), (889, 493024), (992, 441833), (994, 440944), (1016, 431396), (1136, 385826), (1519, 288544), (1568, 279527), (1736, 252476), (1778, 246512), (1988, 220472), (2032, 215698), (2201, 199136), (2272, 192913), (3038, 144272), (3472, 126238), (3479, 125984), (3556, 123256), (3937, 111328), (3976, 110236), (4064, 107849), (4402, 99568), (6076, 72136), (6223, 70432), (6944, 63119), (6958, 62992), (7112, 61628), (7874, 55664), (7952, 55118), (8804, 49784), (9017, 48608), (12152, 36068), (12446, 35216), (13916, 31496), (14224, 30814), (15407, 28448), (15748, 27832), (15904, 27559), (17608, 24892), (18034, 24304)]