1278376

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 2664000

約数和(自身を除く): 1385624

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 146, 199, 292, 398, 584, 796, 803, 1592, 1606, 2189, 3212, 4378, 6424, 8756, 14527, 17512, 29054, 58108, 116216, 159797, 319594, 639188, 1278376]

約数ペア:

[(1, 1278376), (2, 639188), (4, 319594), (8, 159797), (11, 116216), (22, 58108), (44, 29054), (73, 17512), (88, 14527), (146, 8756), (199, 6424), (292, 4378), (398, 3212), (584, 2189), (796, 1606), (803, 1592)]