87421732

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{307823}}^1$

素因数の和:307898

約数の個数: 12

約数和(自身を含む): 155143296

約数和(自身を除く): 67721564

約数列:

[1, 2, 4, 71, 142, 284, 307823, 615646, 1231292, 21855433, 43710866, 87421732]

約数ペア:

[(1, 87421732), (2, 43710866), (4, 21855433), (71, 1231292), (142, 615646), (284, 307823)]