2013142805

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{640109}}^1$

素因数の和:640168

約数の個数: 16

約数和(自身を含む): 2627011440

約数和(自身を除く): 613868635

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 640109, 3200545, 10881853, 23684033, 54409265, 118420165, 402628561, 2013142805]

約数ペア:

[(1, 2013142805), (5, 402628561), (17, 118420165), (37, 54409265), (85, 23684033), (185, 10881853), (629, 3200545), (3145, 640109)]