85981930

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{43207}}^1$

素因数の和:43413

約数の個数: 16

約数和(自身を含む): 155548800

約数和(自身を除く): 69566870

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 43207, 86414, 216035, 432070, 8598193, 17196386, 42990965, 85981930]

約数ペア:

[(1, 85981930), (2, 42990965), (5, 17196386), (10, 8598193), (199, 432070), (398, 216035), (995, 86414), (1990, 43207)]