208518804898

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{288807209}}^1$

素因数の和:288807249

約数の個数: 12

約数和(自身を含む): 330106641030

約数和(自身を除く): 121587836132

約数列:

[1, 2, 19, 38, 361, 722, 288807209, 577614418, 5487336971, 10974673942, 104259402449, 208518804898]

約数ペア:

[(1, 208518804898), (2, 104259402449), (19, 10974673942), (38, 5487336971), (361, 577614418), (722, 288807209)]