209178448

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{688087}}^1$

素因数の和:688114

約数の個数: 20

約数和(自身を含む): 426614560

約数和(自身を除く): 217436112

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 688087, 1376174, 2752348, 5504696, 11009392, 13073653, 26147306, 52294612, 104589224, 209178448]

約数ペア:

[(1, 209178448), (2, 104589224), (4, 52294612), (8, 26147306), (16, 13073653), (19, 11009392), (38, 5504696), (76, 2752348), (152, 1376174), (304, 688087)]