85621543

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 108288000

約数和(自身を除く): 22666457

約数列:

[1, 7, 19, 29, 79, 133, 203, 281, 551, 553, 1501, 1967, 2291, 3857, 5339, 8149, 10507, 16037, 22199, 37373, 43529, 57043, 154831, 155393, 304703, 421781, 643771, 1083817, 2952467, 4506397, 12231649, 85621543]

約数ペア:

[(1, 85621543), (7, 12231649), (19, 4506397), (29, 2952467), (79, 1083817), (133, 643771), (203, 421781), (281, 304703), (551, 155393), (553, 154831), (1501, 57043), (1967, 43529), (2291, 37373), (3857, 22199), (5339, 16037), (8149, 10507)]