81122090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1158887}}^1$

素因数の和:1158901

約数の個数: 16

約数和(自身を含む): 166879872

約数和(自身を除く): 85757782

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1158887, 2317774, 5794435, 8112209, 11588870, 16224418, 40561045, 81122090]

約数ペア:

[(1, 81122090), (2, 40561045), (5, 16224418), (7, 11588870), (10, 8112209), (14, 5794435), (35, 2317774), (70, 1158887)]