2564638

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:591

約数の個数: 16

約数和(自身を含む): 4055040

約数和(自身を除く): 1490402

約数列:

[1, 2, 23, 46, 127, 254, 439, 878, 2921, 5842, 10097, 20194, 55753, 111506, 1282319, 2564638]

約数ペア:

[(1, 2564638), (2, 1282319), (23, 111506), (46, 55753), (127, 20194), (254, 10097), (439, 5842), (878, 2921)]