81304088

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{143141}}^1$

素因数の和:143218

約数の個数: 16

約数和(自身を含む): 154593360

約数和(自身を除く): 73289272

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 143141, 286282, 572564, 1145128, 10163011, 20326022, 40652044, 81304088]

約数ペア:

[(1, 81304088), (2, 40652044), (4, 20326022), (8, 10163011), (71, 1145128), (142, 572564), (284, 286282), (568, 143141)]