209516312

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{240271}}^1$

素因数の和:240386

約数の個数: 16

約数和(自身を含む): 396448800

約数和(自身を除く): 186932488

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 240271, 480542, 961084, 1922168, 26189539, 52379078, 104758156, 209516312]

約数ペア:

[(1, 209516312), (2, 104758156), (4, 52379078), (8, 26189539), (109, 1922168), (218, 961084), (436, 480542), (872, 240271)]