12511265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2711}}^1$

素因数の和:2800

約数の個数: 16

約数和(自身を含む): 16402176

約数和(自身を除く): 3890911

約数列:

[1, 5, 13, 65, 71, 355, 923, 2711, 4615, 13555, 35243, 176215, 192481, 962405, 2502253, 12511265]

約数ペア:

[(1, 12511265), (5, 2502253), (13, 962405), (65, 192481), (71, 176215), (355, 35243), (923, 13555), (2711, 4615)]