168426716

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{116639}}^1$

素因数の和:116681

約数の個数: 18

約数和(自身を含む): 311078880

約数和(自身を除く): 142652164

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 116639, 233278, 466556, 2216141, 4432282, 8864564, 42106679, 84213358, 168426716]

約数ペア:

[(1, 168426716), (2, 84213358), (4, 42106679), (19, 8864564), (38, 4432282), (76, 2216141), (361, 466556), (722, 233278), (1444, 116639)]