208038524

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{144071}}^1$

素因数の和:144113

約数の個数: 18

約数和(自身を含む): 384240024

約数和(自身を除く): 176201500

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 144071, 288142, 576284, 2737349, 5474698, 10949396, 52009631, 104019262, 208038524]

約数ペア:

[(1, 208038524), (2, 104019262), (4, 52009631), (19, 10949396), (38, 5474698), (76, 2737349), (361, 576284), (722, 288142), (1444, 144071)]