28298732

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 62280960

約数和(自身を除く): 33982228

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 139, 154, 278, 308, 556, 661, 973, 1322, 1529, 1946, 2644, 3058, 3892, 4627, 6116, 7271, 9254, 10703, 14542, 18508, 21406, 29084, 42812, 50897, 91879, 101794, 183758, 203588, 367516, 643153, 1010669, 1286306, 2021338, 2572612, 4042676, 7074683, 14149366, 28298732]

約数ペア:

[(1, 28298732), (2, 14149366), (4, 7074683), (7, 4042676), (11, 2572612), (14, 2021338), (22, 1286306), (28, 1010669), (44, 643153), (77, 367516), (139, 203588), (154, 183758), (278, 101794), (308, 91879), (556, 50897), (661, 42812), (973, 29084), (1322, 21406), (1529, 18508), (1946, 14542), (2644, 10703), (3058, 9254), (3892, 7271), (4627, 6116)]