90289165

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{1481}}^1$

素因数の和:1712

約数の個数: 16

約数和(自身を含む): 110438640

約数和(自身を除く): 20149475

約数列:

[1, 5, 89, 137, 445, 685, 1481, 7405, 12193, 60965, 131809, 202897, 659045, 1014485, 18057833, 90289165]

約数ペア:

[(1, 90289165), (5, 18057833), (89, 1014485), (137, 659045), (445, 202897), (685, 131809), (1481, 60965), (7405, 12193)]