28774417

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1061

約数の個数: 24

約数和(自身を含む): 36407040

約数和(自身を除く): 7632623

約数列:

[1, 7, 19, 31, 49, 133, 217, 589, 931, 997, 1519, 4123, 6979, 18943, 28861, 30907, 48853, 132601, 216349, 587233, 928207, 1514443, 4110631, 28774417]

約数ペア:

[(1, 28774417), (7, 4110631), (19, 1514443), (31, 928207), (49, 587233), (133, 216349), (217, 132601), (589, 48853), (931, 30907), (997, 28861), (1519, 18943), (4123, 6979)]