81867542

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{27271}}^1$

素因数の和:27371

約数の個数: 16

約数和(自身を含む): 130905600

約数和(自身を除く): 49038058

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 27271, 54542, 518149, 1036298, 2154409, 4308818, 40933771, 81867542]

約数ペア:

[(1, 81867542), (2, 40933771), (19, 4308818), (38, 2154409), (79, 1036298), (158, 518149), (1501, 54542), (3002, 27271)]