25274509

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 27941760

約数和(自身を除く): 2667251

約数列:

[1, 13, 71, 139, 197, 923, 1807, 2561, 9869, 13987, 27383, 128297, 181831, 355979, 1944193, 25274509]

約数ペア:

[(1, 25274509), (13, 1944193), (71, 355979), (139, 181831), (197, 128297), (923, 27383), (1807, 13987), (2561, 9869)]