38979745

素因数分解:

$5^1\times 7^2\times {\mathrm{389}}^1\times {\mathrm{409}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 54685800

約数和(自身を除く): 15706055

約数列:

[1, 5, 7, 35, 49, 245, 389, 409, 1945, 2045, 2723, 2863, 13615, 14315, 19061, 20041, 95305, 100205, 159101, 795505, 1113707, 5568535, 7795949, 38979745]

約数ペア:

[(1, 38979745), (5, 7795949), (7, 5568535), (35, 1113707), (49, 795505), (245, 159101), (389, 100205), (409, 95305), (1945, 20041), (2045, 19061), (2723, 14315), (2863, 13615)]