640201324

素因数分解:

$2^2\times 7^1\times {\mathrm{647}}^1\times {\mathrm{35339}}^1$

素因数の和:35997

約数の個数: 24

約数和(自身を含む): 1282417920

約数和(自身を除く): 642216596

約数列:

[1, 2, 4, 7, 14, 28, 647, 1294, 2588, 4529, 9058, 18116, 35339, 70678, 141356, 247373, 494746, 989492, 22864333, 45728666, 91457332, 160050331, 320100662, 640201324]

約数ペア:

[(1, 640201324), (2, 320100662), (4, 160050331), (7, 91457332), (14, 45728666), (28, 22864333), (647, 989492), (1294, 494746), (2588, 247373), (4529, 141356), (9058, 70678), (18116, 35339)]