27806396

素因数分解:

$2^2\times {\mathrm{127}}^2\times {\mathrm{431}}^1$

素因数の和:689

約数の個数: 18

約数和(自身を含む): 49161168

約数和(自身を除く): 21354772

約数列:

[1, 2, 4, 127, 254, 431, 508, 862, 1724, 16129, 32258, 54737, 64516, 109474, 218948, 6951599, 13903198, 27806396]

約数ペア:

[(1, 27806396), (2, 13903198), (4, 6951599), (127, 218948), (254, 109474), (431, 64516), (508, 54737), (862, 32258), (1724, 16129)]