289757951

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{13187}}^1$

素因数の和:13310

約数の個数: 16

約数和(自身を含む): 343521024

約数和(自身を除く): 53763073

約数列:

[1, 7, 43, 73, 301, 511, 3139, 13187, 21973, 92309, 567041, 962651, 3969287, 6738557, 41393993, 289757951]

約数ペア:

[(1, 289757951), (7, 41393993), (43, 6738557), (73, 3969287), (301, 962651), (511, 567041), (3139, 92309), (13187, 21973)]