28249630

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{6907}}^1$

素因数の和:7323

約数の個数: 16

約数和(自身を含む): 50981040

約数和(自身を除く): 22731410

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 6907, 13814, 34535, 69070, 2824963, 5649926, 14124815, 28249630]

約数ペア:

[(1, 28249630), (2, 14124815), (5, 5649926), (10, 2824963), (409, 69070), (818, 34535), (2045, 13814), (4090, 6907)]