2499838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{571}}^1$

素因数の和:783

約数の個数: 16

約数和(自身を含む): 4118400

約数和(自身を除く): 1618562

約数列:

[1, 2, 11, 22, 199, 398, 571, 1142, 2189, 4378, 6281, 12562, 113629, 227258, 1249919, 2499838]

約数ペア:

[(1, 2499838), (2, 1249919), (11, 227258), (22, 113629), (199, 12562), (398, 6281), (571, 4378), (1142, 2189)]