189548878

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{42557}}^1$

素因数の和:42707

約数の個数: 16

約数和(自身を含む): 303353424

約数和(自身を除く): 113804546

約数列:

[1, 2, 17, 34, 131, 262, 2227, 4454, 42557, 85114, 723469, 1446938, 5574967, 11149934, 94774439, 189548878]

約数ペア:

[(1, 189548878), (2, 94774439), (17, 11149934), (34, 5574967), (131, 1446938), (262, 723469), (2227, 85114), (4454, 42557)]