377691671

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 504299520

約数和(自身を除く): 126607849

約数列:

[1, 7, 19, 23, 37, 47, 71, 133, 161, 259, 329, 437, 497, 703, 851, 893, 1081, 1349, 1633, 1739, 2627, 3059, 3337, 4921, 5957, 6251, 7567, 9443, 11431, 12173, 16169, 18389, 20539, 23359, 31027, 33041, 39997, 49913, 60421, 63403, 76751, 113183, 123469, 143773, 217189, 231287, 279979, 349391, 422947, 443821, 537257, 759943, 864283, 1147999, 1458269, 2345911, 2839787, 5319601, 8035993, 10207883, 16421377, 19878509, 53955953, 377691671]

約数ペア:

[(1, 377691671), (7, 53955953), (19, 19878509), (23, 16421377), (37, 10207883), (47, 8035993), (71, 5319601), (133, 2839787), (161, 2345911), (259, 1458269), (329, 1147999), (437, 864283), (497, 759943), (703, 537257), (851, 443821), (893, 422947), (1081, 349391), (1349, 279979), (1633, 231287), (1739, 217189), (2627, 143773), (3059, 123469), (3337, 113183), (4921, 76751), (5957, 63403), (6251, 60421), (7567, 49913), (9443, 39997), (11431, 33041), (12173, 31027), (16169, 23359), (18389, 20539)]