28078412

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{983}}^1$

素因数の和:1217

約数の個数: 24

約数和(自身を含む): 50778336

約数和(自身を除く): 22699924

約数列:

[1, 2, 4, 37, 74, 148, 193, 386, 772, 983, 1966, 3932, 7141, 14282, 28564, 36371, 72742, 145484, 189719, 379438, 758876, 7019603, 14039206, 28078412]

約数ペア:

[(1, 28078412), (2, 14039206), (4, 7019603), (37, 758876), (74, 379438), (148, 189719), (193, 145484), (386, 72742), (772, 36371), (983, 28564), (1966, 14282), (3932, 7141)]