15547984

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{6991}}^1$

素因数の和:7138

約数の個数: 20

約数和(自身を含む): 30345280

約数和(自身を除く): 14797296

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 6991, 13982, 27964, 55928, 111856, 971749, 1943498, 3886996, 7773992, 15547984]

約数ペア:

[(1, 15547984), (2, 7773992), (4, 3886996), (8, 1943498), (16, 971749), (139, 111856), (278, 55928), (556, 27964), (1112, 13982), (2224, 6991)]