12780772

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 22830080

約数和(自身を除く): 10049308

約数列:

[1, 2, 4, 127, 139, 181, 254, 278, 362, 508, 556, 724, 17653, 22987, 25159, 35306, 45974, 50318, 70612, 91948, 100636, 3195193, 6390386, 12780772]

約数ペア:

[(1, 12780772), (2, 6390386), (4, 3195193), (127, 100636), (139, 91948), (181, 70612), (254, 50318), (278, 45974), (362, 35306), (508, 25159), (556, 22987), (724, 17653)]