678439896004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{134504341}}^1$

素因数の和:134504455

約数の個数: 24

約数和(自身を含む): 1291779700568

約数和(自身を除く): 613339804564

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 5044, 134504341, 269008682, 538017364, 1748556433, 3497112866, 6994225732, 13046921077, 26093842154, 52187684308, 169609974001, 339219948002, 678439896004]

約数ペア:

[(1, 678439896004), (2, 339219948002), (4, 169609974001), (13, 52187684308), (26, 26093842154), (52, 13046921077), (97, 6994225732), (194, 3497112866), (388, 1748556433), (1261, 538017364), (2522, 269008682), (5044, 134504341)]