221044225

素因数分解:

$5^2\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{283}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 278206400

約数和(自身を除く): 57162175

約数列:

[1, 5, 25, 157, 199, 283, 785, 995, 1415, 3925, 4975, 7075, 31243, 44431, 56317, 156215, 222155, 281585, 781075, 1110775, 1407925, 8841769, 44208845, 221044225]

約数ペア:

[(1, 221044225), (5, 44208845), (25, 8841769), (157, 1407925), (199, 1110775), (283, 781075), (785, 281585), (995, 222155), (1415, 156215), (3925, 56317), (4975, 44431), (7075, 31243)]