40520543

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{337}}^1$

素因数の和:626

約数の個数: 16

約数和(自身を含む): 47211840

約数和(自身を除く): 6691297

約数列:

[1, 7, 89, 193, 337, 623, 1351, 2359, 17177, 29993, 65041, 120239, 209951, 455287, 5788649, 40520543]

約数ペア:

[(1, 40520543), (7, 5788649), (89, 455287), (193, 209951), (337, 120239), (623, 65041), (1351, 29993), (2359, 17177)]