38671390

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{43451}}^1$

素因数の和:43547

約数の個数: 16

約数和(自身を含む): 70392240

約数和(自身を除く): 31720850

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 43451, 86902, 217255, 434510, 3867139, 7734278, 19335695, 38671390]

約数ペア:

[(1, 38671390), (2, 19335695), (5, 7734278), (10, 3867139), (89, 434510), (178, 217255), (445, 86902), (890, 43451)]