28178864

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10939}}^1$

素因数の和:10977

約数の個数: 40

約数和(自身を含む): 65114880

約数和(自身を除く): 36936016

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 10939, 21878, 43756, 76573, 87512, 153146, 175024, 251597, 306292, 503194, 612584, 1006388, 1225168, 1761179, 2012776, 3522358, 4025552, 7044716, 14089432, 28178864]

約数ペア:

[(1, 28178864), (2, 14089432), (4, 7044716), (7, 4025552), (8, 3522358), (14, 2012776), (16, 1761179), (23, 1225168), (28, 1006388), (46, 612584), (56, 503194), (92, 306292), (112, 251597), (161, 175024), (184, 153146), (322, 87512), (368, 76573), (644, 43756), (1288, 21878), (2576, 10939)]