208069706

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{3853}}^1$

素因数の和:3966

約数の個数: 32

約数和(自身を含む): 352224768

約数和(自身を除く): 144155062

約数列:

[1, 2, 13, 26, 31, 62, 67, 134, 403, 806, 871, 1742, 2077, 3853, 4154, 7706, 27001, 50089, 54002, 100178, 119443, 238886, 258151, 516302, 1552759, 3105518, 3355963, 6711926, 8002681, 16005362, 104034853, 208069706]

約数ペア:

[(1, 208069706), (2, 104034853), (13, 16005362), (26, 8002681), (31, 6711926), (62, 3355963), (67, 3105518), (134, 1552759), (403, 516302), (806, 258151), (871, 238886), (1742, 119443), (2077, 100178), (3853, 54002), (4154, 50089), (7706, 27001)]