561115486

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{220391}}^1$

素因数の和:220479

約数の個数: 16

約数和(自身を含む): 899199360

約数和(自身を除く): 338083874

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 220391, 440782, 4187429, 8374858, 14766197, 29532394, 280557743, 561115486]

約数ペア:

[(1, 561115486), (2, 280557743), (19, 29532394), (38, 14766197), (67, 8374858), (134, 4187429), (1273, 440782), (2546, 220391)]