28621175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{523}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 38985600

約数和(自身を除く): 10364425

約数列:

[1, 5, 11, 25, 55, 199, 275, 523, 995, 2189, 2615, 4975, 5753, 10945, 13075, 28765, 54725, 104077, 143825, 520385, 1144847, 2601925, 5724235, 28621175]

約数ペア:

[(1, 28621175), (5, 5724235), (11, 2601925), (25, 1144847), (55, 520385), (199, 143825), (275, 104077), (523, 54725), (995, 28765), (2189, 13075), (2615, 10945), (4975, 5753)]