1068445

素因数分解:

$5^1\times 7^4\times {\mathrm{89}}^1$

素因数の和:122

約数の個数: 20

約数和(自身を含む): 1512540

約数和(自身を除く): 444095

約数列:

[1, 5, 7, 35, 49, 89, 245, 343, 445, 623, 1715, 2401, 3115, 4361, 12005, 21805, 30527, 152635, 213689, 1068445]

約数ペア:

[(1, 1068445), (5, 213689), (7, 152635), (35, 30527), (49, 21805), (89, 12005), (245, 4361), (343, 3115), (445, 2401), (623, 1715)]