81266032

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{71537}}^1$

素因数の和:71616

約数の個数: 20

約数和(自身を含む): 159672816

約数和(自身を除く): 78406784

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 71537, 143074, 286148, 572296, 1144592, 5079127, 10158254, 20316508, 40633016, 81266032]

約数ペア:

[(1, 81266032), (2, 40633016), (4, 20316508), (8, 10158254), (16, 5079127), (71, 1144592), (142, 572296), (284, 286148), (568, 143074), (1136, 71537)]