27997732

素因数分解:

$2^2\times 7^1\times {\mathrm{991}}^1\times {\mathrm{1009}}^1$

素因数の和:2011

約数の個数: 24

約数和(自身を含む): 56107520

約数和(自身を除く): 28109788

約数列:

[1, 2, 4, 7, 14, 28, 991, 1009, 1982, 2018, 3964, 4036, 6937, 7063, 13874, 14126, 27748, 28252, 999919, 1999838, 3999676, 6999433, 13998866, 27997732]

約数ペア:

[(1, 27997732), (2, 13998866), (4, 6999433), (7, 3999676), (14, 1999838), (28, 999919), (991, 28252), (1009, 27748), (1982, 14126), (2018, 13874), (3964, 7063), (4036, 6937)]