12990494

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3761}}^1$

素因数の和:3931

約数の個数: 16

約数和(自身を含む): 21398256

約数和(自身を除く): 8407762

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 3761, 7522, 41371, 82742, 590477, 1180954, 6495247, 12990494]

約数ペア:

[(1, 12990494), (2, 6495247), (11, 1180954), (22, 590477), (157, 82742), (314, 41371), (1727, 7522), (3454, 3761)]