201140989

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{17489}}^1$

素因数の和:17580

約数の個数: 16

約数和(自身を含む): 241781760

約数和(自身を除く): 40640771

約数列:

[1, 7, 31, 53, 217, 371, 1643, 11501, 17489, 122423, 542159, 926917, 3795113, 6488419, 28734427, 201140989]

約数ペア:

[(1, 201140989), (7, 28734427), (31, 6488419), (53, 3795113), (217, 926917), (371, 542159), (1643, 122423), (11501, 17489)]