199645708

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{457903}}^1$

素因数の和:458016

約数の個数: 12

約数和(自身を含む): 352586080

約数和(自身を除く): 152940372

約数列:

[1, 2, 4, 109, 218, 436, 457903, 915806, 1831612, 49911427, 99822854, 199645708]

約数ペア:

[(1, 199645708), (2, 99822854), (4, 49911427), (109, 1831612), (218, 915806), (436, 457903)]