13157081

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1151}}^1$

素因数の和:1252

約数の個数: 16

約数和(自身を含む): 15925248

約数和(自身を除く): 2768167

約数列:

[1, 7, 23, 71, 161, 497, 1151, 1633, 8057, 11431, 26473, 81721, 185311, 572047, 1879583, 13157081]

約数ペア:

[(1, 13157081), (7, 1879583), (23, 572047), (71, 185311), (161, 81721), (497, 26473), (1151, 11431), (1633, 8057)]