221788828

素因数分解:

$2^2\times {\mathrm{769}}^1\times {\mathrm{72103}}^1$

素因数の和:72876

約数の個数: 12

約数和(自身を含む): 388640560

約数和(自身を除く): 166851732

約数列:

[1, 2, 4, 769, 1538, 3076, 72103, 144206, 288412, 55447207, 110894414, 221788828]

約数ペア:

[(1, 221788828), (2, 110894414), (4, 55447207), (769, 288412), (1538, 144206), (3076, 72103)]