210681772

素因数分解:

$2^2\times 7^2\times {\mathrm{1074907}}^1$

素因数の和:1074925

約数の個数: 18

約数和(自身を含む): 428888292

約数和(自身を除く): 218206520

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1074907, 2149814, 4299628, 7524349, 15048698, 30097396, 52670443, 105340886, 210681772]

約数ペア:

[(1, 210681772), (2, 105340886), (4, 52670443), (7, 30097396), (14, 15048698), (28, 7524349), (49, 4299628), (98, 2149814), (196, 1074907)]