28643984

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{2767}}^1$

素因数の和:3422

約数の個数: 20

約数和(自身を含む): 55603584

約数和(自身を除く): 26959600

約数列:

[1, 2, 4, 8, 16, 647, 1294, 2588, 2767, 5176, 5534, 10352, 11068, 22136, 44272, 1790249, 3580498, 7160996, 14321992, 28643984]

約数ペア:

[(1, 28643984), (2, 14321992), (4, 7160996), (8, 3580498), (16, 1790249), (647, 44272), (1294, 22136), (2588, 11068), (2767, 10352), (5176, 5534)]