81667054

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{307019}}^1$

素因数の和:307047

約数の個数: 16

約数和(自身を含む): 147369600

約数和(自身を除く): 65702546

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 307019, 614038, 2149133, 4298266, 5833361, 11666722, 40833527, 81667054]

約数ペア:

[(1, 81667054), (2, 40833527), (7, 11666722), (14, 5833361), (19, 4298266), (38, 2149133), (133, 614038), (266, 307019)]