28161694

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{1997}}^1$

素因数の和:2651

約数の個数: 16

約数和(自身を含む): 46177776

約数和(自身を除く): 18016082

約数列:

[1, 2, 11, 22, 641, 1282, 1997, 3994, 7051, 14102, 21967, 43934, 1280077, 2560154, 14080847, 28161694]

約数ペア:

[(1, 28161694), (2, 14080847), (11, 2560154), (22, 1280077), (641, 43934), (1282, 21967), (1997, 14102), (3994, 7051)]