208816964

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{735271}}^1$

素因数の和:735346

約数の個数: 12

約数和(自身を含む): 370577088

約数和(自身を除く): 161760124

約数列:

[1, 2, 4, 71, 142, 284, 735271, 1470542, 2941084, 52204241, 104408482, 208816964]

約数ペア:

[(1, 208816964), (2, 104408482), (4, 52204241), (71, 2941084), (142, 1470542), (284, 735271)]