27982790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{254389}}^1$

素因数の和:254407

約数の個数: 16

約数和(自身を含む): 54948240

約数和(自身を除く): 26965450

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 254389, 508778, 1271945, 2543890, 2798279, 5596558, 13991395, 27982790]

約数ペア:

[(1, 27982790), (2, 13991395), (5, 5596558), (10, 2798279), (11, 2543890), (22, 1271945), (55, 508778), (110, 254389)]