206840557

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 268646400

約数和(自身を除く): 61805843

約数列:

[1, 7, 11, 29, 77, 203, 211, 319, 439, 1477, 2233, 2321, 3073, 4829, 6119, 12731, 16247, 33803, 42833, 67309, 89117, 92629, 140041, 471163, 648403, 980287, 1018919, 2686241, 7132433, 18803687, 29548651, 206840557]

約数ペア:

[(1, 206840557), (7, 29548651), (11, 18803687), (29, 7132433), (77, 2686241), (203, 1018919), (211, 980287), (319, 648403), (439, 471163), (1477, 140041), (2233, 92629), (2321, 89117), (3073, 67309), (4829, 42833), (6119, 33803), (12731, 16247)]