4991305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{601}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 6588288

約数和(自身を除く): 1596983

約数列:

[1, 5, 11, 55, 151, 601, 755, 1661, 3005, 6611, 8305, 33055, 90751, 453755, 998261, 4991305]

約数ペア:

[(1, 4991305), (5, 998261), (11, 453755), (55, 90751), (151, 33055), (601, 8305), (755, 6611), (1661, 3005)]