81285016

素因数分解:

$2^3\times {\mathrm{191}}^1\times {\mathrm{53197}}^1$

素因数の和:53394

約数の個数: 16

約数和(自身を含む): 153210240

約数和(自身を除く): 71925224

約数列:

[1, 2, 4, 8, 191, 382, 764, 1528, 53197, 106394, 212788, 425576, 10160627, 20321254, 40642508, 81285016]

約数ペア:

[(1, 81285016), (2, 40642508), (4, 20321254), (8, 10160627), (191, 425576), (382, 212788), (764, 106394), (1528, 53197)]