28378191

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12143}}^1$

素因数の和:12206

約数の個数: 16

約数和(自身を含む): 40803840

約数和(自身を除く): 12425649

約数列:

[1, 3, 19, 41, 57, 123, 779, 2337, 12143, 36429, 230717, 497863, 692151, 1493589, 9459397, 28378191]

約数ペア:

[(1, 28378191), (3, 9459397), (19, 1493589), (41, 692151), (57, 497863), (123, 230717), (779, 36429), (2337, 12143)]