209528084

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{480569}}^1$

素因数の和:480682

約数の個数: 12

約数和(自身を含む): 370038900

約数和(自身を除く): 160510816

約数列:

[1, 2, 4, 109, 218, 436, 480569, 961138, 1922276, 52382021, 104764042, 209528084]

約数ペア:

[(1, 209528084), (2, 104764042), (4, 52382021), (109, 1922276), (218, 961138), (436, 480569)]