28639856

素因数分解:

$2^4\times 7^1\times {\mathrm{255713}}^1$

素因数の和:255728

約数の個数: 20

約数和(自身を含む): 63417072

約数和(自身を除く): 34777216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 255713, 511426, 1022852, 1789991, 2045704, 3579982, 4091408, 7159964, 14319928, 28639856]

約数ペア:

[(1, 28639856), (2, 14319928), (4, 7159964), (7, 4091408), (8, 3579982), (14, 2045704), (16, 1789991), (28, 1022852), (56, 511426), (112, 255713)]