31139834

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{128677}}^1$

素因数の和:128701

約数の個数: 12

約数和(自身を含む): 51342522

約数和(自身を除く): 20202688

約数列:

[1, 2, 11, 22, 121, 242, 128677, 257354, 1415447, 2830894, 15569917, 31139834]

約数ペア:

[(1, 31139834), (2, 15569917), (11, 2830894), (22, 1415447), (121, 257354), (242, 128677)]