2781154

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:561

約数の個数: 16

約数和(自身を含む): 4336992

約数和(自身を除く): 1555838

約数列:

[1, 2, 43, 73, 86, 146, 443, 886, 3139, 6278, 19049, 32339, 38098, 64678, 1390577, 2781154]

約数ペア:

[(1, 2781154), (2, 1390577), (43, 64678), (73, 38098), (86, 32339), (146, 19049), (443, 6278), (886, 3139)]