78420925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1433}}^1$

素因数の和:1653

約数の個数: 24

約数和(自身を含む): 106689600

約数和(自身を除く): 28268675

約数列:

[1, 5, 11, 25, 55, 199, 275, 995, 1433, 2189, 4975, 7165, 10945, 15763, 35825, 54725, 78815, 285167, 394075, 1425835, 3136837, 7129175, 15684185, 78420925]

約数ペア:

[(1, 78420925), (5, 15684185), (11, 7129175), (25, 3136837), (55, 1425835), (199, 394075), (275, 285167), (995, 78815), (1433, 54725), (2189, 35825), (4975, 15763), (7165, 10945)]