16807025

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 21587904

約数和(自身を除く): 4780879

約数列:

[1, 5, 25, 61, 103, 107, 305, 515, 535, 1525, 2575, 2675, 6283, 6527, 11021, 31415, 32635, 55105, 157075, 163175, 275525, 672281, 3361405, 16807025]

約数ペア:

[(1, 16807025), (5, 3361405), (25, 672281), (61, 275525), (103, 163175), (107, 157075), (305, 55105), (515, 32635), (535, 31415), (1525, 11021), (2575, 6527), (2675, 6283)]