2189852

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 4413024

約数和(自身を除く): 2223172

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 397, 788, 794, 1379, 1588, 2758, 2779, 5516, 5558, 11116, 78209, 156418, 312836, 547463, 1094926, 2189852]

約数ペア:

[(1, 2189852), (2, 1094926), (4, 547463), (7, 312836), (14, 156418), (28, 78209), (197, 11116), (394, 5558), (397, 5516), (788, 2779), (794, 2758), (1379, 1588)]