28027565

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{307}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 36701280

約数和(自身を除く): 8673715

約数列:

[1, 5, 19, 31, 95, 155, 307, 589, 961, 1535, 2945, 4805, 5833, 9517, 18259, 29165, 47585, 91295, 180823, 295027, 904115, 1475135, 5605513, 28027565]

約数ペア:

[(1, 28027565), (5, 5605513), (19, 1475135), (31, 904115), (95, 295027), (155, 180823), (307, 91295), (589, 47585), (961, 29165), (1535, 18259), (2945, 9517), (4805, 5833)]