128972004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1535381}}^1$

素因数の和:1535395

約数の個数: 24

約数和(自身を含む): 343925568

約数和(自身を除く): 214953564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1535381, 3070762, 4606143, 6141524, 9212286, 10747667, 18424572, 21495334, 32243001, 42990668, 64486002, 128972004]

約数ペア:

[(1, 128972004), (2, 64486002), (3, 42990668), (4, 32243001), (6, 21495334), (7, 18424572), (12, 10747667), (14, 9212286), (21, 6141524), (28, 4606143), (42, 3070762), (84, 1535381)]