28126836

素因数分解:

$2^2\times 3^2\times {\mathrm{781301}}^1$

素因数の和:781311

約数の個数: 18

約数和(自身を含む): 71098482

約数和(自身を除く): 42971646

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 781301, 1562602, 2343903, 3125204, 4687806, 7031709, 9375612, 14063418, 28126836]

約数ペア:

[(1, 28126836), (2, 14063418), (3, 9375612), (4, 7031709), (6, 4687806), (9, 3125204), (12, 2343903), (18, 1562602), (36, 781301)]