28031312

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{16073}}^1$

素因数の和:16190

約数の個数: 20

約数和(自身を含む): 54812340

約数和(自身を除く): 26781028

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 16073, 32146, 64292, 128584, 257168, 1751957, 3503914, 7007828, 14015656, 28031312]

約数ペア:

[(1, 28031312), (2, 14015656), (4, 7007828), (8, 3503914), (16, 1751957), (109, 257168), (218, 128584), (436, 64292), (872, 32146), (1744, 16073)]