28705242

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{208009}}^1$

素因数の和:208037

約数の個数: 16

約数和(自身を含む): 59906880

約数和(自身を除く): 31201638

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 208009, 416018, 624027, 1248054, 4784207, 9568414, 14352621, 28705242]

約数ペア:

[(1, 28705242), (2, 14352621), (3, 9568414), (6, 4784207), (23, 1248054), (46, 624027), (69, 416018), (138, 208009)]