128388254

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{17123}}^1$

素因数の和:17311

約数の個数: 16

約数和(自身を含む): 202200192

約数和(自身を除く): 73811938

約数列:

[1, 2, 23, 46, 163, 326, 3749, 7498, 17123, 34246, 393829, 787658, 2791049, 5582098, 64194127, 128388254]

約数ペア:

[(1, 128388254), (2, 64194127), (23, 5582098), (46, 2791049), (163, 787658), (326, 393829), (3749, 34246), (7498, 17123)]