12689782

素因数分解:

$2^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{2153}}^1$

素因数の和:2583

約数の個数: 16

約数和(自身を含む): 21815712

約数和(自身を除く): 9125930

約数列:

[1, 2, 7, 14, 421, 842, 2153, 2947, 4306, 5894, 15071, 30142, 906413, 1812826, 6344891, 12689782]

約数ペア:

[(1, 12689782), (2, 6344891), (7, 1812826), (14, 906413), (421, 30142), (842, 15071), (2153, 5894), (2947, 4306)]