2049885721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{31657}}^1$

素因数の和:31980

約数の個数: 16

約数和(自身を含む): 2345477904

約数和(自身を除く): 295592183

約数列:

[1, 13, 17, 221, 293, 3809, 4981, 31657, 64753, 411541, 538169, 6996197, 9275501, 120581513, 157683517, 2049885721]

約数ペア:

[(1, 2049885721), (13, 157683517), (17, 120581513), (221, 9275501), (293, 6996197), (3809, 538169), (4981, 411541), (31657, 64753)]