221944225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{6581}}^1$

素因数の和:6681

約数の個数: 24

約数和(自身を含む): 293820480

約数和(自身を除く): 71876255

約数列:

[1, 5, 19, 25, 71, 95, 355, 475, 1349, 1775, 6581, 6745, 32905, 33725, 125039, 164525, 467251, 625195, 2336255, 3125975, 8877769, 11681275, 44388845, 221944225]

約数ペア:

[(1, 221944225), (5, 44388845), (19, 11681275), (25, 8877769), (71, 3125975), (95, 2336255), (355, 625195), (475, 467251), (1349, 164525), (1775, 125039), (6581, 33725), (6745, 32905)]