51426128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{247241}}^1$

素因数の和:247262

約数の個数: 20

約数和(自身を含む): 107303028

約数和(自身を除く): 55876900

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 247241, 494482, 988964, 1977928, 3214133, 3955856, 6428266, 12856532, 25713064, 51426128]

約数ペア:

[(1, 51426128), (2, 25713064), (4, 12856532), (8, 6428266), (13, 3955856), (16, 3214133), (26, 1977928), (52, 988964), (104, 494482), (208, 247241)]