205979779

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{389}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 232362000

約数和(自身を除く): 26382221

約数列:

[1, 19, 29, 31, 389, 551, 589, 899, 961, 7391, 11281, 12059, 17081, 18259, 27869, 214339, 229121, 349711, 373829, 529511, 6644509, 7102751, 10841041, 205979779]

約数ペア:

[(1, 205979779), (19, 10841041), (29, 7102751), (31, 6644509), (389, 529511), (551, 373829), (589, 349711), (899, 229121), (961, 214339), (7391, 27869), (11281, 18259), (12059, 17081)]