128428616

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{373339}}^1$

素因数の和:373388

約数の個数: 16

約数和(自身を含む): 246404400

約数和(自身を除く): 117975784

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 373339, 746678, 1493356, 2986712, 16053577, 32107154, 64214308, 128428616]

約数ペア:

[(1, 128428616), (2, 64214308), (4, 32107154), (8, 16053577), (43, 2986712), (86, 1493356), (172, 746678), (344, 373339)]