208720085

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{55733}}^1$

素因数の和:55852

約数の個数: 16

約数和(自身を含む): 288925056

約数和(自身を除く): 80204971

約数列:

[1, 5, 7, 35, 107, 535, 749, 3745, 55733, 278665, 390131, 1950655, 5963431, 29817155, 41744017, 208720085]

約数ペア:

[(1, 208720085), (5, 41744017), (7, 29817155), (35, 5963431), (107, 1950655), (535, 390131), (749, 278665), (3745, 55733)]