399778484

素因数分解:

$2^2\times 7^1\times {\mathrm{1759}}^1\times {\mathrm{8117}}^1$

素因数の和:9887

約数の個数: 24

約数和(自身を含む): 800110080

約数和(自身を除く): 400331596

約数列:

[1, 2, 4, 7, 14, 28, 1759, 3518, 7036, 8117, 12313, 16234, 24626, 32468, 49252, 56819, 113638, 227276, 14277803, 28555606, 57111212, 99944621, 199889242, 399778484]

約数ペア:

[(1, 399778484), (2, 199889242), (4, 99944621), (7, 57111212), (14, 28555606), (28, 14277803), (1759, 227276), (3518, 113638), (7036, 56819), (8117, 49252), (12313, 32468), (16234, 24626)]