90221390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1288877}}^1$

素因数の和:1288891

約数の個数: 16

約数和(自身を含む): 185598432

約数和(自身を除く): 95377042

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1288877, 2577754, 6444385, 9022139, 12888770, 18044278, 45110695, 90221390]

約数ペア:

[(1, 90221390), (2, 45110695), (5, 18044278), (7, 12888770), (10, 9022139), (14, 6444385), (35, 2577754), (70, 1288877)]