159490090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{941}}^1\times {\mathrm{997}}^1$

素因数の和:1962

約数の個数: 32

約数和(自身を含む): 304597584

約数和(自身を除く): 145107494

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 941, 997, 1882, 1994, 4705, 4985, 9410, 9970, 15997, 16949, 31994, 33898, 79985, 84745, 159970, 169490, 938177, 1876354, 4690885, 9381770, 15949009, 31898018, 79745045, 159490090]

約数ペア:

[(1, 159490090), (2, 79745045), (5, 31898018), (10, 15949009), (17, 9381770), (34, 4690885), (85, 1876354), (170, 938177), (941, 169490), (997, 159970), (1882, 84745), (1994, 79985), (4705, 33898), (4985, 31994), (9410, 16949), (9970, 15997)]