12645808

素因数分解:

$2^4\times 7^1\times {\mathrm{112909}}^1$

素因数の和:112924

約数の個数: 20

約数和(自身を含む): 28001680

約数和(自身を除く): 15355872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 112909, 225818, 451636, 790363, 903272, 1580726, 1806544, 3161452, 6322904, 12645808]

約数ペア:

[(1, 12645808), (2, 6322904), (4, 3161452), (7, 1806544), (8, 1580726), (14, 903272), (16, 790363), (28, 451636), (56, 225818), (112, 112909)]