221862904

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{1571}}^1$

素因数の和:1843

約数の個数: 32

約数和(自身を含む): 422553600

約数和(自身を除く): 200690696

約数列:

[1, 2, 4, 8, 127, 139, 254, 278, 508, 556, 1016, 1112, 1571, 3142, 6284, 12568, 17653, 35306, 70612, 141224, 199517, 218369, 399034, 436738, 798068, 873476, 1596136, 1746952, 27732863, 55465726, 110931452, 221862904]

約数ペア:

[(1, 221862904), (2, 110931452), (4, 55465726), (8, 27732863), (127, 1746952), (139, 1596136), (254, 873476), (278, 798068), (508, 436738), (556, 399034), (1016, 218369), (1112, 199517), (1571, 141224), (3142, 70612), (6284, 35306), (12568, 17653)]