28213956

素因数分解:

$2^2\times 3^2\times {\mathrm{783721}}^1$

素因数の和:783731

約数の個数: 18

約数和(自身を含む): 71318702

約数和(自身を除く): 43104746

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 783721, 1567442, 2351163, 3134884, 4702326, 7053489, 9404652, 14106978, 28213956]

約数ペア:

[(1, 28213956), (2, 14106978), (3, 9404652), (4, 7053489), (6, 4702326), (9, 3134884), (12, 2351163), (18, 1567442), (36, 783721)]