27664432

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{2689}}^1$

素因数の和:3340

約数の個数: 20

約数和(自身を含む): 53703160

約数和(自身を除く): 26038728

約数列:

[1, 2, 4, 8, 16, 643, 1286, 2572, 2689, 5144, 5378, 10288, 10756, 21512, 43024, 1729027, 3458054, 6916108, 13832216, 27664432]

約数ペア:

[(1, 27664432), (2, 13832216), (4, 6916108), (8, 3458054), (16, 1729027), (643, 43024), (1286, 21512), (2572, 10756), (2689, 10288), (5144, 5378)]