1904489279

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1999}}^1\times {\mathrm{12373}}^1$

素因数の和:14390

約数の個数: 16

約数和(自身を含む): 2375808000

約数和(自身を除く): 471318721

約数列:

[1, 7, 11, 77, 1999, 12373, 13993, 21989, 86611, 136103, 153923, 952721, 24733627, 173135389, 272069897, 1904489279]

約数ペア:

[(1, 1904489279), (7, 272069897), (11, 173135389), (77, 24733627), (1999, 952721), (12373, 153923), (13993, 136103), (21989, 86611)]