209213804

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{4217}}^1$

素因数の和:4457

約数の個数: 24

約数和(自身を含む): 373208640

約数和(自身を除く): 163994836

約数列:

[1, 2, 4, 79, 157, 158, 314, 316, 628, 4217, 8434, 12403, 16868, 24806, 49612, 333143, 662069, 666286, 1324138, 1332572, 2648276, 52303451, 104606902, 209213804]

約数ペア:

[(1, 209213804), (2, 104606902), (4, 52303451), (79, 2648276), (157, 1332572), (158, 1324138), (314, 666286), (316, 662069), (628, 333143), (4217, 49612), (8434, 24806), (12403, 16868)]