81018728

素因数分解:

$2^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{5501}}^1$

素因数の和:5777

約数の個数: 32

約数和(自身を含む): 174303360

約数和(自身を除く): 93284632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 263, 526, 1052, 1841, 2104, 3682, 5501, 7364, 11002, 14728, 22004, 38507, 44008, 77014, 154028, 308056, 1446763, 2893526, 5787052, 10127341, 11574104, 20254682, 40509364, 81018728]

約数ペア:

[(1, 81018728), (2, 40509364), (4, 20254682), (7, 11574104), (8, 10127341), (14, 5787052), (28, 2893526), (56, 1446763), (263, 308056), (526, 154028), (1052, 77014), (1841, 44008), (2104, 38507), (3682, 22004), (5501, 14728), (7364, 11002)]