208099913

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2089}}^1$

素因数の和:2229

約数の個数: 24

約数和(自身を含む): 257320800

約数和(自身を除く): 49220887

約数列:

[1, 7, 19, 49, 107, 133, 749, 931, 2033, 2089, 5243, 14231, 14623, 39691, 99617, 102361, 223523, 277837, 1564661, 1944859, 4246937, 10952627, 29728559, 208099913]

約数ペア:

[(1, 208099913), (7, 29728559), (19, 10952627), (49, 4246937), (107, 1944859), (133, 1564661), (749, 277837), (931, 223523), (2033, 102361), (2089, 99617), (5243, 39691), (14231, 14623)]