51128788

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{643}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 90953408

約数和(自身を除く): 39824620

約数列:

[1, 2, 4, 103, 193, 206, 386, 412, 643, 772, 1286, 2572, 19879, 39758, 66229, 79516, 124099, 132458, 248198, 264916, 496396, 12782197, 25564394, 51128788]

約数ペア:

[(1, 51128788), (2, 25564394), (4, 12782197), (103, 496396), (193, 264916), (206, 248198), (386, 132458), (412, 124099), (643, 79516), (772, 66229), (1286, 39758), (2572, 19879)]