2080890721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{2903}}^1\times {\mathrm{7877}}^1$

素因数の和:10800

約数の個数: 16

約数和(自身を含む): 2562303744

約数和(自身を除く): 481413023

約数列:

[1, 7, 13, 91, 2903, 7877, 20321, 37739, 55139, 102401, 264173, 716807, 22866931, 160068517, 297270103, 2080890721]

約数ペア:

[(1, 2080890721), (7, 297270103), (13, 160068517), (91, 22866931), (2903, 716807), (7877, 264173), (20321, 102401), (37739, 55139)]