189936985

素因数分解:

$5^1\times 7^2\times {\mathrm{541}}^1\times {\mathrm{1433}}^1$

素因数の和:1993

約数の個数: 24

約数和(自身を含む): 265811976

約数和(自身を除く): 75874991

約数列:

[1, 5, 7, 35, 49, 245, 541, 1433, 2705, 3787, 7165, 10031, 18935, 26509, 50155, 70217, 132545, 351085, 775253, 3876265, 5426771, 27133855, 37987397, 189936985]

約数ペア:

[(1, 189936985), (5, 37987397), (7, 27133855), (35, 5426771), (49, 3876265), (245, 775253), (541, 351085), (1433, 132545), (2705, 70217), (3787, 50155), (7165, 26509), (10031, 18935)]