28788788

素因数分解:

$2^2\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{1019}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 57691200

約数和(自身を除く): 28902412

約数列:

[1, 2, 4, 7, 14, 28, 1009, 1019, 2018, 2038, 4036, 4076, 7063, 7133, 14126, 14266, 28252, 28532, 1028171, 2056342, 4112684, 7197197, 14394394, 28788788]

約数ペア:

[(1, 28788788), (2, 14394394), (4, 7197197), (7, 4112684), (14, 2056342), (28, 1028171), (1009, 28532), (1019, 28252), (2018, 14266), (2038, 14126), (4036, 7133), (4076, 7063)]