28120398

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{203771}}^1$

素因数の和:203799

約数の個数: 16

約数和(自身を含む): 58686336

約数和(自身を除く): 30565938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 203771, 407542, 611313, 1222626, 4686733, 9373466, 14060199, 28120398]

約数ペア:

[(1, 28120398), (2, 14060199), (3, 9373466), (6, 4686733), (23, 1222626), (46, 611313), (69, 407542), (138, 203771)]