31283168

素因数分解:

$2^5\times 7^2\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:376

約数の個数: 72

約数和(自身を含む): 72911664

約数和(自身を除く): 41628496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 71, 98, 112, 142, 196, 224, 281, 284, 392, 497, 562, 568, 784, 994, 1124, 1136, 1568, 1967, 1988, 2248, 2272, 3479, 3934, 3976, 4496, 6958, 7868, 7952, 8992, 13769, 13916, 15736, 15904, 19951, 27538, 27832, 31472, 39902, 55076, 55664, 62944, 79804, 110152, 111328, 139657, 159608, 220304, 279314, 319216, 440608, 558628, 638432, 977599, 1117256, 1955198, 2234512, 3910396, 4469024, 7820792, 15641584, 31283168]

約数ペア:

[(1, 31283168), (2, 15641584), (4, 7820792), (7, 4469024), (8, 3910396), (14, 2234512), (16, 1955198), (28, 1117256), (32, 977599), (49, 638432), (56, 558628), (71, 440608), (98, 319216), (112, 279314), (142, 220304), (196, 159608), (224, 139657), (281, 111328), (284, 110152), (392, 79804), (497, 62944), (562, 55664), (568, 55076), (784, 39902), (994, 31472), (1124, 27832), (1136, 27538), (1568, 19951), (1967, 15904), (1988, 15736), (2248, 13916), (2272, 13769), (3479, 8992), (3934, 7952), (3976, 7868), (4496, 6958)]