80783956

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{166909}}^1$

素因数の和:166935

約数の個数: 18

約数和(自身を含む): 155393210

約数和(自身を除く): 74609254

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 166909, 333818, 667636, 1835999, 3671998, 7343996, 20195989, 40391978, 80783956]

約数ペア:

[(1, 80783956), (2, 40391978), (4, 20195989), (11, 7343996), (22, 3671998), (44, 1835999), (121, 667636), (242, 333818), (484, 166909)]