28163765

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^2\times {\mathrm{151}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 39420288

約数和(自身を除く): 11256523

約数列:

[1, 5, 7, 35, 73, 151, 365, 511, 755, 1057, 2555, 5285, 5329, 11023, 26645, 37303, 55115, 77161, 186515, 385805, 804679, 4023395, 5632753, 28163765]

約数ペア:

[(1, 28163765), (5, 5632753), (7, 4023395), (35, 804679), (73, 385805), (151, 186515), (365, 77161), (511, 55115), (755, 37303), (1057, 26645), (2555, 11023), (5285, 5329)]