16216081

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2143}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 19759104

約数和(自身を除く): 3543023

約数列:

[1, 7, 23, 47, 161, 329, 1081, 2143, 7567, 15001, 49289, 100721, 345023, 705047, 2316583, 16216081]

約数ペア:

[(1, 16216081), (7, 2316583), (23, 705047), (47, 345023), (161, 100721), (329, 49289), (1081, 15001), (2143, 7567)]