81810872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{5501}}^1$

素因数の和:5544

約数の個数: 48

約数和(自身を含む): 181235880

約数和(自身を除く): 99425008

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 169, 286, 338, 572, 676, 1144, 1352, 1859, 3718, 5501, 7436, 11002, 14872, 22004, 44008, 60511, 71513, 121022, 143026, 242044, 286052, 484088, 572104, 786643, 929669, 1573286, 1859338, 3146572, 3718676, 6293144, 7437352, 10226359, 20452718, 40905436, 81810872]

約数ペア:

[(1, 81810872), (2, 40905436), (4, 20452718), (8, 10226359), (11, 7437352), (13, 6293144), (22, 3718676), (26, 3146572), (44, 1859338), (52, 1573286), (88, 929669), (104, 786643), (143, 572104), (169, 484088), (286, 286052), (338, 242044), (572, 143026), (676, 121022), (1144, 71513), (1352, 60511), (1859, 44008), (3718, 22004), (5501, 14872), (7436, 11002)]