42672656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{205157}}^1$

素因数の和:205178

約数の個数: 20

約数和(自身を含む): 89038572

約数和(自身を除く): 46365916

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 205157, 410314, 820628, 1641256, 2667041, 3282512, 5334082, 10668164, 21336328, 42672656]

約数ペア:

[(1, 42672656), (2, 21336328), (4, 10668164), (8, 5334082), (13, 3282512), (16, 2667041), (26, 1641256), (52, 820628), (104, 410314), (208, 205157)]