128949104

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{33721}}^1$

素因数の和:33968

約数の個数: 20

約数和(自身を含む): 250891680

約数和(自身を除く): 121942576

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 33721, 67442, 134884, 269768, 539536, 8059319, 16118638, 32237276, 64474552, 128949104]

約数ペア:

[(1, 128949104), (2, 64474552), (4, 32237276), (8, 16118638), (16, 8059319), (239, 539536), (478, 269768), (956, 134884), (1912, 67442), (3824, 33721)]