12138728

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^2$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 26996640

約数和(自身を除く): 14857912

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 71, 86, 142, 172, 284, 301, 344, 497, 568, 602, 994, 1204, 1988, 2408, 3053, 3976, 5041, 6106, 10082, 12212, 20164, 21371, 24424, 35287, 40328, 42742, 70574, 85484, 141148, 170968, 216763, 282296, 433526, 867052, 1517341, 1734104, 3034682, 6069364, 12138728]

約数ペア:

[(1, 12138728), (2, 6069364), (4, 3034682), (7, 1734104), (8, 1517341), (14, 867052), (28, 433526), (43, 282296), (56, 216763), (71, 170968), (86, 141148), (142, 85484), (172, 70574), (284, 42742), (301, 40328), (344, 35287), (497, 24424), (568, 21371), (602, 20164), (994, 12212), (1204, 10082), (1988, 6106), (2408, 5041), (3053, 3976)]