290578477

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{137911}}^1$

素因数の和:137968

約数の個数: 12

約数和(自身を含む): 345883296

約数和(自身を除く): 55304819

約数列:

[1, 7, 43, 49, 301, 2107, 137911, 965377, 5930173, 6757639, 41511211, 290578477]

約数ペア:

[(1, 290578477), (7, 41511211), (43, 6757639), (49, 5930173), (301, 965377), (2107, 137911)]