128366874

素因数分解:

$2^1\times 3^2\times {\mathrm{257}}^1\times {\mathrm{27749}}^1$

素因数の和:28014

約数の個数: 24

約数和(自身を含む): 279220500

約数和(自身を除く): 150853626

約数列:

[1, 2, 3, 6, 9, 18, 257, 514, 771, 1542, 2313, 4626, 27749, 55498, 83247, 166494, 249741, 499482, 7131493, 14262986, 21394479, 42788958, 64183437, 128366874]

約数ペア:

[(1, 128366874), (2, 64183437), (3, 42788958), (6, 21394479), (9, 14262986), (18, 7131493), (257, 499482), (514, 249741), (771, 166494), (1542, 83247), (2313, 55498), (4626, 27749)]