68391673

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 85819392

約数和(自身を除く): 17427719

約数列:

[1, 7, 23, 31, 71, 161, 193, 217, 497, 713, 1351, 1633, 2201, 4439, 4991, 5983, 11431, 13703, 15407, 31073, 41881, 50623, 95921, 137609, 315169, 354361, 424793, 963263, 2206183, 2973551, 9770239, 68391673]

約数ペア:

[(1, 68391673), (7, 9770239), (23, 2973551), (31, 2206183), (71, 963263), (161, 424793), (193, 354361), (217, 315169), (497, 137609), (713, 95921), (1351, 50623), (1633, 41881), (2201, 31073), (4439, 15407), (4991, 13703), (5983, 11431)]