189705964

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{17417}}^1$

素因数の和:17817

約数の個数: 24

約数和(自身を含む): 380409120

約数和(自身を除く): 190703156

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 2723, 5446, 10892, 17417, 34834, 69668, 121919, 243838, 487676, 6775213, 13550426, 27100852, 47426491, 94852982, 189705964]

約数ペア:

[(1, 189705964), (2, 94852982), (4, 47426491), (7, 27100852), (14, 13550426), (28, 6775213), (389, 487676), (778, 243838), (1556, 121919), (2723, 69668), (5446, 34834), (10892, 17417)]