646156928

素因数分解:

$2^7\times {\mathrm{5048101}}^1$

素因数の和:5048115

約数の個数: 16

約数和(自身を含む): 1287266010

約数和(自身を除く): 641109082

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 5048101, 10096202, 20192404, 40384808, 80769616, 161539232, 323078464, 646156928]

約数ペア:

[(1, 646156928), (2, 323078464), (4, 161539232), (8, 80769616), (16, 40384808), (32, 20192404), (64, 10096202), (128, 5048101)]