28793821

素因数分解:

$7^3\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:809

約数の個数: 16

約数和(自身を含む): 33894400

約数和(自身を除く): 5100579

約数列:

[1, 7, 49, 127, 343, 661, 889, 4627, 6223, 32389, 43561, 83947, 226723, 587629, 4113403, 28793821]

約数ペア:

[(1, 28793821), (7, 4113403), (49, 587629), (127, 226723), (343, 83947), (661, 43561), (889, 32389), (4627, 6223)]