55178221

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{129223}}^1$

素因数の和:129291

約数の個数: 8

約数和(自身を含む): 64095104

約数和(自身を除く): 8916883

約数列:

[1, 7, 61, 427, 129223, 904561, 7882603, 55178221]

約数ペア:

[(1, 55178221), (7, 7882603), (61, 904561), (427, 129223)]