26961215

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1409}}^1$

素因数の和:1546

約数の個数: 16

約数和(自身を含む): 33501600

約数和(自身を除く): 6540385

約数列:

[1, 5, 43, 89, 215, 445, 1409, 3827, 7045, 19135, 60587, 125401, 302935, 627005, 5392243, 26961215]

約数ペア:

[(1, 26961215), (5, 5392243), (43, 627005), (89, 302935), (215, 125401), (445, 60587), (1409, 19135), (3827, 7045)]