23156728

素因数分解:

$2^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1609}}^1$

素因数の和:1879

約数の個数: 32

約数和(自身を含む): 49845600

約数和(自身を除く): 26688872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 257, 514, 1028, 1609, 1799, 2056, 3218, 3598, 6436, 7196, 11263, 12872, 14392, 22526, 45052, 90104, 413513, 827026, 1654052, 2894591, 3308104, 5789182, 11578364, 23156728]

約数ペア:

[(1, 23156728), (2, 11578364), (4, 5789182), (7, 3308104), (8, 2894591), (14, 1654052), (28, 827026), (56, 413513), (257, 90104), (514, 45052), (1028, 22526), (1609, 14392), (1799, 12872), (2056, 11263), (3218, 7196), (3598, 6436)]