8140517

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{1373}}^1$

素因数の和:1409

約数の個数: 18

約数和(自身を含む): 10416294

約数和(自身を除く): 2275777

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 1373, 5929, 9611, 15103, 67277, 105721, 166133, 740047, 1162931, 8140517]

約数ペア:

[(1, 8140517), (7, 1162931), (11, 740047), (49, 166133), (77, 105721), (121, 67277), (539, 15103), (847, 9611), (1373, 5929)]