11721259705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3206911}}^1$

素因数の和:3206976

約数の個数: 16

約数和(自身を含む): 15239245824

約数和(自身を除く): 3517986119

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 3206911, 16034555, 54517487, 137897173, 272587435, 689485865, 2344251941, 11721259705]

約数ペア:

[(1, 11721259705), (5, 2344251941), (17, 689485865), (43, 272587435), (85, 137897173), (215, 54517487), (731, 16034555), (3655, 3206911)]