81057790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{736889}}^1$

素因数の和:736907

約数の個数: 16

約数和(自身を含む): 159168240

約数和(自身を除く): 78110450

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 736889, 1473778, 3684445, 7368890, 8105779, 16211558, 40528895, 81057790]

約数ペア:

[(1, 81057790), (2, 40528895), (5, 16211558), (10, 8105779), (11, 7368890), (22, 3684445), (55, 1473778), (110, 736889)]