28159748

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{6991}}^1$

素因数の和:7067

約数の個数: 24

約数和(自身を含む): 52859520

約数和(自身を除く): 24699772

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 6991, 13982, 27964, 132829, 265658, 370523, 531316, 741046, 1482092, 7039937, 14079874, 28159748]

約数ペア:

[(1, 28159748), (2, 14079874), (4, 7039937), (19, 1482092), (38, 741046), (53, 531316), (76, 370523), (106, 265658), (212, 132829), (1007, 27964), (2014, 13982), (4028, 6991)]