28638486

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:781

約数の個数: 48

約数和(自身を含む): 65061360

約数和(自身を除く): 36422874

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 83, 87, 166, 174, 249, 261, 498, 522, 661, 747, 1322, 1494, 1983, 2407, 3966, 4814, 5949, 7221, 11898, 14442, 19169, 21663, 38338, 43326, 54863, 57507, 109726, 115014, 164589, 172521, 329178, 345042, 493767, 987534, 1591027, 3182054, 4773081, 9546162, 14319243, 28638486]

約数ペア:

[(1, 28638486), (2, 14319243), (3, 9546162), (6, 4773081), (9, 3182054), (18, 1591027), (29, 987534), (58, 493767), (83, 345042), (87, 329178), (166, 172521), (174, 164589), (249, 115014), (261, 109726), (498, 57507), (522, 54863), (661, 43326), (747, 38338), (1322, 21663), (1494, 19169), (1983, 14442), (2407, 11898), (3966, 7221), (4814, 5949)]