487806494

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1123}}^1$

素因数の和:1245

約数の個数: 64

約数和(自身を含む): 932290560

約数和(自身を除く): 444484066

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 71, 133, 142, 161, 266, 322, 437, 497, 874, 994, 1123, 1349, 1633, 2246, 2698, 3059, 3266, 6118, 7861, 9443, 11431, 15722, 18886, 21337, 22862, 25829, 31027, 42674, 51658, 62054, 79733, 149359, 159466, 180803, 217189, 298718, 361606, 434378, 490751, 558131, 981502, 1116262, 1514927, 1833859, 3029854, 3435257, 3667718, 6870514, 10604489, 12837013, 21208978, 25674026, 34843321, 69686642, 243903247, 487806494]

約数ペア:

[(1, 487806494), (2, 243903247), (7, 69686642), (14, 34843321), (19, 25674026), (23, 21208978), (38, 12837013), (46, 10604489), (71, 6870514), (133, 3667718), (142, 3435257), (161, 3029854), (266, 1833859), (322, 1514927), (437, 1116262), (497, 981502), (874, 558131), (994, 490751), (1123, 434378), (1349, 361606), (1633, 298718), (2246, 217189), (2698, 180803), (3059, 159466), (3266, 149359), (6118, 79733), (7861, 62054), (9443, 51658), (11431, 42674), (15722, 31027), (18886, 25829), (21337, 22862)]