28520874

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{68891}}^1$

素因数の和:68922

約数の個数: 24

約数和(自身を含む): 64482912

約数和(自身を除く): 35962038

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 68891, 137782, 206673, 413346, 620019, 1240038, 1584493, 3168986, 4753479, 9506958, 14260437, 28520874]

約数ペア:

[(1, 28520874), (2, 14260437), (3, 9506958), (6, 4753479), (9, 3168986), (18, 1584493), (23, 1240038), (46, 620019), (69, 413346), (138, 206673), (207, 137782), (414, 68891)]