251359808

素因数分解:

$2^6\times 7^2\times {\mathrm{80153}}^1$

素因数の和:80179

約数の個数: 42

約数和(自身を含む): 580234806

約数和(自身を除く): 328874998

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 80153, 160306, 320612, 561071, 641224, 1122142, 1282448, 2244284, 2564896, 3927497, 4488568, 5129792, 7854994, 8977136, 15709988, 17954272, 31419976, 35908544, 62839952, 125679904, 251359808]

約数ペア:

[(1, 251359808), (2, 125679904), (4, 62839952), (7, 35908544), (8, 31419976), (14, 17954272), (16, 15709988), (28, 8977136), (32, 7854994), (49, 5129792), (56, 4488568), (64, 3927497), (98, 2564896), (112, 2244284), (196, 1282448), (224, 1122142), (392, 641224), (448, 561071), (784, 320612), (1568, 160306), (3136, 80153)]