78087772

素因数分解:

$2^2\times 7^2\times {\mathrm{398407}}^1$

素因数の和:398425

約数の個数: 18

約数和(自身を含む): 158964792

約数和(自身を除く): 80877020

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 398407, 796814, 1593628, 2788849, 5577698, 11155396, 19521943, 39043886, 78087772]

約数ペア:

[(1, 78087772), (2, 39043886), (4, 19521943), (7, 11155396), (14, 5577698), (28, 2788849), (49, 1593628), (98, 796814), (196, 398407)]