205449128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1351639}}^1$

素因数の和:1351664

約数の個数: 16

約数和(自身を含む): 405492000

約数和(自身を除く): 200042872

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1351639, 2703278, 5406556, 10813112, 25681141, 51362282, 102724564, 205449128]

約数ペア:

[(1, 205449128), (2, 102724564), (4, 51362282), (8, 25681141), (19, 10813112), (38, 5406556), (76, 2703278), (152, 1351639)]