28711831

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1$

素因数の和:486

約数の個数: 16

約数和(自身を含む): 31299840

約数和(自身を除く): 2588009

約数列:

[1, 19, 43, 113, 311, 817, 2147, 4859, 5909, 13373, 35143, 92321, 254087, 667717, 1511149, 28711831]

約数ペア:

[(1, 28711831), (19, 1511149), (43, 667717), (113, 254087), (311, 92321), (817, 35143), (2147, 13373), (4859, 5909)]