1646384

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{2393}}^1$

素因数の和:2444

約数の個数: 20

約数和(自身を含む): 3265416

約数和(自身を除く): 1619032

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 2393, 4786, 9572, 19144, 38288, 102899, 205798, 411596, 823192, 1646384]

約数ペア:

[(1, 1646384), (2, 823192), (4, 411596), (8, 205798), (16, 102899), (43, 38288), (86, 19144), (172, 9572), (344, 4786), (688, 2393)]