199277428

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{309437}}^1$

素因数の和:309471

約数の個数: 24

約数和(自身を含む): 415884672

約数和(自身を除く): 216607244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 309437, 618874, 1237748, 2166059, 4332118, 7117051, 8664236, 14234102, 28468204, 49819357, 99638714, 199277428]

約数ペア:

[(1, 199277428), (2, 99638714), (4, 49819357), (7, 28468204), (14, 14234102), (23, 8664236), (28, 7117051), (46, 4332118), (92, 2166059), (161, 1237748), (322, 618874), (644, 309437)]