178256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{857}}^1$

素因数の和:878

約数の個数: 20

約数和(自身を含む): 372372

約数和(自身を除く): 194116

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 857, 1714, 3428, 6856, 11141, 13712, 22282, 44564, 89128, 178256]

約数ペア:

[(1, 178256), (2, 89128), (4, 44564), (8, 22282), (13, 13712), (16, 11141), (26, 6856), (52, 3428), (104, 1714), (208, 857)]