290427851

素因数分解:

$7^2\times {\mathrm{139}}^1\times {\mathrm{42641}}^1$

素因数の和:42794

約数の個数: 12

約数和(自身を含む): 340283160

約数和(自身を除く): 49855309

約数列:

[1, 7, 49, 139, 973, 6811, 42641, 298487, 2089409, 5927099, 41489693, 290427851]

約数ペア:

[(1, 290427851), (7, 41489693), (49, 5927099), (139, 2089409), (973, 298487), (6811, 42641)]