81195356

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{167759}}^1$

素因数の和:167785

約数の個数: 18

約数和(自身を含む): 156184560

約数和(自身を除く): 74989204

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 167759, 335518, 671036, 1845349, 3690698, 7381396, 20298839, 40597678, 81195356]

約数ペア:

[(1, 81195356), (2, 40597678), (4, 20298839), (11, 7381396), (22, 3690698), (44, 1845349), (121, 671036), (242, 335518), (484, 167759)]