28640048

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{16729}}^1$

素因数の和:16844

約数の個数: 20

約数和(自身を含む): 56012040

約数和(自身を除く): 27371992

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 16729, 33458, 66916, 133832, 267664, 1790003, 3580006, 7160012, 14320024, 28640048]

約数ペア:

[(1, 28640048), (2, 14320024), (4, 7160012), (8, 3580006), (16, 1790003), (107, 267664), (214, 133832), (428, 66916), (856, 33458), (1712, 16729)]