1225571998

素因数分解:

$2^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{132437}}^1$

素因数の和:133107

約数の個数: 16

約数和(自身を含む): 2104174944

約数和(自身を除く): 878602946

約数列:

[1, 2, 7, 14, 661, 1322, 4627, 9254, 132437, 264874, 927059, 1854118, 87540857, 175081714, 612785999, 1225571998]

約数ペア:

[(1, 1225571998), (2, 612785999), (7, 175081714), (14, 87540857), (661, 1854118), (1322, 927059), (4627, 264874), (9254, 132437)]