27978208

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{20333}}^1$

素因数の和:20386

約数の個数: 24

約数和(自身を含む): 56365848

約数和(自身を除く): 28387640

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 20333, 40666, 81332, 162664, 325328, 650656, 874319, 1748638, 3497276, 6994552, 13989104, 27978208]

約数ペア:

[(1, 27978208), (2, 13989104), (4, 6994552), (8, 3497276), (16, 1748638), (32, 874319), (43, 650656), (86, 325328), (172, 162664), (344, 81332), (688, 40666), (1376, 20333)]