2647555

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:115

約数の個数: 24

約数和(自身を含む): 3574800

約数和(自身を除く): 927245

約数列:

[1, 5, 19, 29, 31, 95, 145, 155, 551, 589, 899, 961, 2755, 2945, 4495, 4805, 17081, 18259, 27869, 85405, 91295, 139345, 529511, 2647555]

約数ペア:

[(1, 2647555), (5, 529511), (19, 139345), (29, 91295), (31, 85405), (95, 27869), (145, 18259), (155, 17081), (551, 4805), (589, 4495), (899, 2945), (961, 2755)]