204513725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{8863}}^1$

素因数の和:8957

約数の個数: 24

約数和(自身を含む): 276982272

約数和(自身を除く): 72468547

約数列:

[1, 5, 13, 25, 65, 71, 325, 355, 923, 1775, 4615, 8863, 23075, 44315, 115219, 221575, 576095, 629273, 2880475, 3146365, 8180549, 15731825, 40902745, 204513725]

約数ペア:

[(1, 204513725), (5, 40902745), (13, 15731825), (25, 8180549), (65, 3146365), (71, 2880475), (325, 629273), (355, 576095), (923, 221575), (1775, 115219), (4615, 44315), (8863, 23075)]