51245168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{246371}}^1$

素因数の和:246392

約数の個数: 20

約数和(自身を含む): 106925448

約数和(自身を除く): 55680280

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 246371, 492742, 985484, 1970968, 3202823, 3941936, 6405646, 12811292, 25622584, 51245168]

約数ペア:

[(1, 51245168), (2, 25622584), (4, 12811292), (8, 6405646), (13, 3941936), (16, 3202823), (26, 1970968), (52, 985484), (104, 492742), (208, 246371)]