208989721

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{10607}}^1$

素因数の和:10704

約数の個数: 16

約数和(自身を含む): 236770560

約数和(自身を除く): 27780839

約数列:

[1, 17, 19, 61, 323, 1037, 1159, 10607, 19703, 180319, 201533, 647027, 3426061, 10999459, 12293513, 208989721]

約数ペア:

[(1, 208989721), (17, 12293513), (19, 10999459), (61, 3426061), (323, 647027), (1037, 201533), (1159, 180319), (10607, 19703)]