66439954

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{66841}}^1$

素因数の和:66921

約数の個数: 16

約数和(自身を含む): 115502976

約数和(自身を除く): 49063022

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 66841, 133682, 467887, 935774, 4745711, 9491422, 33219977, 66439954]

約数ペア:

[(1, 66439954), (2, 33219977), (7, 9491422), (14, 4745711), (71, 935774), (142, 467887), (497, 133682), (994, 66841)]