28681304

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{87443}}^1$

素因数の和:87490

約数の個数: 16

約数和(自身を含む): 55089720

約数和(自身を除く): 26408416

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 87443, 174886, 349772, 699544, 3585163, 7170326, 14340652, 28681304]

約数ペア:

[(1, 28681304), (2, 14340652), (4, 7170326), (8, 3585163), (41, 699544), (82, 349772), (164, 174886), (328, 87443)]