2005457905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{985483}}^1$

素因数の和:985536

約数の個数: 16

約数和(自身を含む): 2696284224

約数和(自身を除く): 690826319

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 985483, 4927415, 10840313, 36462871, 54201565, 182314355, 401091581, 2005457905]

約数ペア:

[(1, 2005457905), (5, 401091581), (11, 182314355), (37, 54201565), (55, 36462871), (185, 10840313), (407, 4927415), (2035, 985483)]