37889579

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 49910784

約数和(自身を除く): 12021205

約数列:

[1, 7, 13, 23, 43, 91, 161, 299, 301, 421, 559, 989, 2093, 2947, 3913, 5473, 6923, 9683, 12857, 18103, 38311, 67781, 89999, 125879, 126721, 235339, 416369, 881153, 1647373, 2914583, 5412797, 37889579]

約数ペア:

[(1, 37889579), (7, 5412797), (13, 2914583), (23, 1647373), (43, 881153), (91, 416369), (161, 235339), (299, 126721), (301, 125879), (421, 89999), (559, 67781), (989, 38311), (2093, 18103), (2947, 12857), (3913, 9683), (5473, 6923)]