397653242

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1494937}}^1$

素因数の和:1494965

約数の個数: 16

約数和(自身を含む): 717570240

約数和(自身を除く): 319916998

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 1494937, 2989874, 10464559, 20929118, 28403803, 56807606, 198826621, 397653242]

約数ペア:

[(1, 397653242), (2, 198826621), (7, 56807606), (14, 28403803), (19, 20929118), (38, 10464559), (133, 2989874), (266, 1494937)]