28380666

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{205657}}^1$

素因数の和:205685

約数の個数: 16

約数和(自身を含む): 59229504

約数和(自身を除く): 30848838

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 205657, 411314, 616971, 1233942, 4730111, 9460222, 14190333, 28380666]

約数ペア:

[(1, 28380666), (2, 14190333), (3, 9460222), (6, 4730111), (23, 1233942), (46, 616971), (69, 411314), (138, 205657)]