12971728

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10529}}^1$

素因数の和:10555

約数の個数: 40

約数和(自身を含む): 31337280

約数和(自身を除く): 18365552

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 10529, 21058, 42116, 73703, 84232, 115819, 147406, 168464, 231638, 294812, 463276, 589624, 810733, 926552, 1179248, 1621466, 1853104, 3242932, 6485864, 12971728]

約数ペア:

[(1, 12971728), (2, 6485864), (4, 3242932), (7, 1853104), (8, 1621466), (11, 1179248), (14, 926552), (16, 810733), (22, 589624), (28, 463276), (44, 294812), (56, 231638), (77, 168464), (88, 147406), (112, 115819), (154, 84232), (176, 73703), (308, 42116), (616, 21058), (1232, 10529)]