11081390

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12451}}^1$

素因数の和:12547

約数の個数: 16

約数和(自身を含む): 20172240

約数和(自身を除く): 9090850

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 12451, 24902, 62255, 124510, 1108139, 2216278, 5540695, 11081390]

約数ペア:

[(1, 11081390), (2, 5540695), (5, 2216278), (10, 1108139), (89, 124510), (178, 62255), (445, 24902), (890, 12451)]