138531904

素因数分解:

$2^6\times 7^1\times {\mathrm{309223}}^1$

素因数の和:309242

約数の個数: 28

約数和(自身を含む): 314171584

約数和(自身を除く): 175639680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 309223, 618446, 1236892, 2164561, 2473784, 4329122, 4947568, 8658244, 9895136, 17316488, 19790272, 34632976, 69265952, 138531904]

約数ペア:

[(1, 138531904), (2, 69265952), (4, 34632976), (7, 19790272), (8, 17316488), (14, 9895136), (16, 8658244), (28, 4947568), (32, 4329122), (56, 2473784), (64, 2164561), (112, 1236892), (224, 618446), (448, 309223)]