208076785

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{19751}}^1$

素因数の和:19813

約数の個数: 24

約数和(自身を含む): 297228096

約数和(自身を除く): 89151311

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 1505, 2107, 10535, 19751, 98755, 138257, 691285, 849293, 967799, 4246465, 4838995, 5945051, 29725255, 41615357, 208076785]

約数ペア:

[(1, 208076785), (5, 41615357), (7, 29725255), (35, 5945051), (43, 4838995), (49, 4246465), (215, 967799), (245, 849293), (301, 691285), (1505, 138257), (2107, 98755), (10535, 19751)]