128538368

素因数分解:

$2^8\times 7^2\times {\mathrm{10247}}^1$

素因数の和:10277

約数の個数: 54

約数和(自身を含む): 298493496

約数和(自身を除く): 169955128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1792, 3136, 6272, 10247, 12544, 20494, 40988, 71729, 81976, 143458, 163952, 286916, 327904, 502103, 573832, 655808, 1004206, 1147664, 1311616, 2008412, 2295328, 2623232, 4016824, 4590656, 8033648, 9181312, 16067296, 18362624, 32134592, 64269184, 128538368]

約数ペア:

[(1, 128538368), (2, 64269184), (4, 32134592), (7, 18362624), (8, 16067296), (14, 9181312), (16, 8033648), (28, 4590656), (32, 4016824), (49, 2623232), (56, 2295328), (64, 2008412), (98, 1311616), (112, 1147664), (128, 1004206), (196, 655808), (224, 573832), (256, 502103), (392, 327904), (448, 286916), (784, 163952), (896, 143458), (1568, 81976), (1792, 71729), (3136, 40988), (6272, 20494), (10247, 12544)]