28405506

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{205837}}^1$

素因数の和:205865

約数の個数: 16

約数和(自身を含む): 59281344

約数和(自身を除く): 30875838

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 205837, 411674, 617511, 1235022, 4734251, 9468502, 14202753, 28405506]

約数ペア:

[(1, 28405506), (2, 14202753), (3, 9468502), (6, 4734251), (23, 1235022), (46, 617511), (69, 411674), (138, 205837)]