1292255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 1715904

約数和(自身を除く): 423649

約数列:

[1, 5, 17, 23, 85, 115, 391, 661, 1955, 3305, 11237, 15203, 56185, 76015, 258451, 1292255]

約数ペア:

[(1, 1292255), (5, 258451), (17, 76015), (23, 56185), (85, 15203), (115, 11237), (391, 3305), (661, 1955)]