1991901857

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1\times {\mathrm{2113}}^1$

素因数の和:4160

約数の個数: 16

約数和(自身を含む): 2225686848

約数和(自身を除く): 233784991

約数列:

[1, 11, 43, 473, 1993, 2113, 21923, 23243, 85699, 90859, 942689, 999449, 4211209, 46323299, 181081987, 1991901857]

約数ペア:

[(1, 1991901857), (11, 181081987), (43, 46323299), (473, 4211209), (1993, 999449), (2113, 942689), (21923, 90859), (23243, 85699)]