81122896

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{71411}}^1$

素因数の和:71490

約数の個数: 20

約数和(自身を含む): 159391584

約数和(自身を除く): 78268688

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 71411, 142822, 285644, 571288, 1142576, 5070181, 10140362, 20280724, 40561448, 81122896]

約数ペア:

[(1, 81122896), (2, 40561448), (4, 20280724), (8, 10140362), (16, 5070181), (71, 1142576), (142, 571288), (284, 285644), (568, 142822), (1136, 71411)]