55408556

素因数分解:

$2^2\times 7^1\times {\mathrm{1978877}}^1$

素因数の和:1978888

約数の個数: 12

約数和(自身を含む): 110817168

約数和(自身を除く): 55408612

約数列:

[1, 2, 4, 7, 14, 28, 1978877, 3957754, 7915508, 13852139, 27704278, 55408556]

約数ペア:

[(1, 55408556), (2, 27704278), (4, 13852139), (7, 7915508), (14, 3957754), (28, 1978877)]