12688172

素因数分解:

$2^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1723}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 25487616

約数和(自身を除く): 12799444

約数列:

[1, 2, 4, 7, 14, 28, 263, 526, 1052, 1723, 1841, 3446, 3682, 6892, 7364, 12061, 24122, 48244, 453149, 906298, 1812596, 3172043, 6344086, 12688172]

約数ペア:

[(1, 12688172), (2, 6344086), (4, 3172043), (7, 1812596), (14, 906298), (28, 453149), (263, 48244), (526, 24122), (1052, 12061), (1723, 7364), (1841, 6892), (3446, 3682)]