28780184

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{211619}}^1$

素因数の和:211642

約数の個数: 16

約数和(自身を含む): 57137400

約数和(自身を除く): 28357216

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 211619, 423238, 846476, 1692952, 3597523, 7195046, 14390092, 28780184]

約数ペア:

[(1, 28780184), (2, 14390092), (4, 7195046), (8, 3597523), (17, 1692952), (34, 846476), (68, 423238), (136, 211619)]