31821454

素因数分解:

$2^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{11777}}^1$

素因数の和:11979

約数の個数: 16

約数和(自身を含む): 54838368

約数和(自身を除く): 23016914

約数列:

[1, 2, 7, 14, 193, 386, 1351, 2702, 11777, 23554, 82439, 164878, 2272961, 4545922, 15910727, 31821454]

約数ペア:

[(1, 31821454), (2, 15910727), (7, 4545922), (14, 2272961), (193, 164878), (386, 82439), (1351, 23554), (2702, 11777)]