81103445

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{2203}}^1$

素因数の和:2444

約数の個数: 16

約数和(自身を含む): 100502400

約数和(自身を除く): 19398955

約数列:

[1, 5, 37, 185, 199, 995, 2203, 7363, 11015, 36815, 81511, 407555, 438397, 2191985, 16220689, 81103445]

約数ペア:

[(1, 81103445), (5, 16220689), (37, 2191985), (185, 438397), (199, 407555), (995, 81511), (2203, 36815), (7363, 11015)]