161349919

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1\times {\mathrm{643}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 174343680

約数和(自身を除く): 12993761

約数列:

[1, 19, 47, 281, 643, 893, 5339, 12217, 13207, 30221, 180683, 250933, 574199, 3432977, 8492101, 161349919]

約数ペア:

[(1, 161349919), (19, 8492101), (47, 3432977), (281, 574199), (643, 250933), (893, 180683), (5339, 30221), (12217, 13207)]