1991330506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{500083}}^1$

素因数の和:500277

約数の個数: 16

約数和(自身を含む): 3276550368

約数和(自身を除く): 1285219862

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 500083, 1000166, 5500913, 11001826, 90515023, 181030046, 995665253, 1991330506]

約数ペア:

[(1, 1991330506), (2, 995665253), (11, 181030046), (22, 90515023), (181, 11001826), (362, 5500913), (1991, 1000166), (3982, 500083)]