28347382

素因数分解:

$2^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{2081}}^1$

素因数の和:2236

約数の個数: 24

約数和(自身を含む): 49843080

約数和(自身を除く): 21495698

約数列:

[1, 2, 7, 14, 49, 98, 139, 278, 973, 1946, 2081, 4162, 6811, 13622, 14567, 29134, 101969, 203938, 289259, 578518, 2024813, 4049626, 14173691, 28347382]

約数ペア:

[(1, 28347382), (2, 14173691), (7, 4049626), (14, 2024813), (49, 578518), (98, 289259), (139, 203938), (278, 101969), (973, 29134), (1946, 14567), (2081, 13622), (4162, 6811)]