890972159

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{680651}}^1$

素因数の和:680686

約数の個数: 16

約数和(自身を含む): 1176166656

約数和(自身を除く): 285194497

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 680651, 4764557, 7487161, 11571067, 52410127, 80997469, 127281737, 890972159]

約数ペア:

[(1, 890972159), (7, 127281737), (11, 80997469), (17, 52410127), (77, 11571067), (119, 7487161), (187, 4764557), (1309, 680651)]