28378252

素因数分解:

$2^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{2161}}^1$

素因数の和:2246

約数の個数: 36

約数和(自身を含む): 58659384

約数和(自身を除く): 30281132

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 268, 469, 938, 1876, 2161, 3283, 4322, 6566, 8644, 13132, 15127, 30254, 60508, 105889, 144787, 211778, 289574, 423556, 579148, 1013509, 2027018, 4054036, 7094563, 14189126, 28378252]

約数ペア:

[(1, 28378252), (2, 14189126), (4, 7094563), (7, 4054036), (14, 2027018), (28, 1013509), (49, 579148), (67, 423556), (98, 289574), (134, 211778), (196, 144787), (268, 105889), (469, 60508), (938, 30254), (1876, 15127), (2161, 13132), (3283, 8644), (4322, 6566)]