9990994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1931}}^1$

素因数の和:2145

約数の個数: 16

約数和(自身を含む): 16228800

約数和(自身を除く): 6237806

約数列:

[1, 2, 13, 26, 199, 398, 1931, 2587, 3862, 5174, 25103, 50206, 384269, 768538, 4995497, 9990994]

約数ペア:

[(1, 9990994), (2, 4995497), (13, 768538), (26, 384269), (199, 50206), (398, 25103), (1931, 5174), (2587, 3862)]