28935275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 38417184

約数和(自身を除く): 9481909

約数列:

[1, 5, 17, 25, 85, 103, 425, 515, 661, 1751, 2575, 3305, 8755, 11237, 16525, 43775, 56185, 68083, 280925, 340415, 1157411, 1702075, 5787055, 28935275]

約数ペア:

[(1, 28935275), (5, 5787055), (17, 1702075), (25, 1157411), (85, 340415), (103, 280925), (425, 68083), (515, 56185), (661, 43775), (1751, 16525), (2575, 11237), (3305, 8755)]