28109124

素因数分解:

$2^2\times 3^2\times {\mathrm{780809}}^1$

素因数の和:780819

約数の個数: 18

約数和(自身を含む): 71053710

約数和(自身を除く): 42944586

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 780809, 1561618, 2342427, 3123236, 4684854, 7027281, 9369708, 14054562, 28109124]

約数ペア:

[(1, 28109124), (2, 14054562), (3, 9369708), (4, 7027281), (6, 4684854), (9, 3123236), (12, 2342427), (18, 1561618), (36, 780809)]