12811213

素因数分解:

${\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:276

約数の個数: 16

約数和(自身を含む): 13789440

約数和(自身を除く): 978227

約数列:

[1, 37, 47, 53, 139, 1739, 1961, 2491, 5143, 6533, 7367, 92167, 241721, 272579, 346249, 12811213]

約数ペア:

[(1, 12811213), (37, 346249), (47, 272579), (53, 241721), (139, 92167), (1739, 7367), (1961, 6533), (2491, 5143)]