1331666

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1303}}^1$

素因数の和:1385

約数の個数: 16

約数和(自身を含む): 2315904

約数和(自身を除く): 984238

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 1303, 2606, 9121, 18242, 95119, 190238, 665833, 1331666]

約数ペア:

[(1, 1331666), (2, 665833), (7, 190238), (14, 95119), (73, 18242), (146, 9121), (511, 2606), (1022, 1303)]