256802049515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{2339}}^1\times {\mathrm{1996207}}^1$

素因数の和:1998562

約数の個数: 16

約数和(自身を含む): 336321123840

約数和(自身を除く): 79519074325

約数列:

[1, 5, 11, 55, 2339, 11695, 25729, 128645, 1996207, 9981035, 21958277, 109791385, 4669128173, 23345640865, 51360409903, 256802049515]

約数ペア:

[(1, 256802049515), (5, 51360409903), (11, 23345640865), (55, 4669128173), (2339, 109791385), (11695, 21958277), (25729, 9981035), (128645, 1996207)]