20161519147

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{127913}}^1$

素因数の和:128043

約数の個数: 32

約数和(自身を含む): 26524247040

約数和(自身を除く): 6362727893

約数列:

[1, 7, 11, 23, 77, 89, 161, 253, 623, 979, 1771, 2047, 6853, 14329, 22517, 127913, 157619, 895391, 1407043, 2941999, 9849301, 11384257, 20593993, 32361989, 79689799, 125226827, 226533923, 261837911, 876587789, 1832865377, 2880217021, 20161519147]

約数ペア:

[(1, 20161519147), (7, 2880217021), (11, 1832865377), (23, 876587789), (77, 261837911), (89, 226533923), (161, 125226827), (253, 79689799), (623, 32361989), (979, 20593993), (1771, 11384257), (2047, 9849301), (6853, 2941999), (14329, 1407043), (22517, 895391), (127913, 157619)]