28123812

素因数分解:

$2^2\times 3^2\times {\mathrm{781217}}^1$

素因数の和:781227

約数の個数: 18

約数和(自身を含む): 71090838

約数和(自身を除く): 42967026

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 781217, 1562434, 2343651, 3124868, 4687302, 7030953, 9374604, 14061906, 28123812]

約数ペア:

[(1, 28123812), (2, 14061906), (3, 9374604), (4, 7030953), (6, 4687302), (9, 3124868), (12, 2343651), (18, 1562434), (36, 781217)]