20161851787

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{79757}}^1$

素因数の和:79856

約数の個数: 32

約数和(自身を含む): 26033011200

約数和(自身を除く): 5871159413

約数列:

[1, 7, 11, 49, 67, 77, 343, 469, 539, 737, 3283, 3773, 5159, 22981, 36113, 79757, 252791, 558299, 877327, 3908093, 5343719, 6141289, 27356651, 37406033, 42989023, 58780909, 261842231, 300923161, 411466363, 1832895617, 2880264541, 20161851787]

約数ペア:

[(1, 20161851787), (7, 2880264541), (11, 1832895617), (49, 411466363), (67, 300923161), (77, 261842231), (343, 58780909), (469, 42989023), (539, 37406033), (737, 27356651), (3283, 6141289), (3773, 5343719), (5159, 3908093), (22981, 877327), (36113, 558299), (79757, 252791)]