28215812

素因数分解:

$2^2\times {\mathrm{199}}^1\times {\mathrm{35447}}^1$

素因数の和:35650

約数の個数: 12

約数和(自身を含む): 49627200

約数和(自身を除く): 21411388

約数列:

[1, 2, 4, 199, 398, 796, 35447, 70894, 141788, 7053953, 14107906, 28215812]

約数ペア:

[(1, 28215812), (2, 14107906), (4, 7053953), (199, 141788), (398, 70894), (796, 35447)]