638637534

素因数分解:

$2^1\times 3^6\times {\mathrm{127}}^1\times {\mathrm{3449}}^1$

素因数の和:3596

約数の個数: 56

約数和(自身を含む): 1448006400

約数和(自身を除く): 809368866

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 127, 162, 243, 254, 381, 486, 729, 762, 1143, 1458, 2286, 3429, 3449, 6858, 6898, 10287, 10347, 20574, 20694, 30861, 31041, 61722, 62082, 92583, 93123, 185166, 186246, 279369, 438023, 558738, 838107, 876046, 1314069, 1676214, 2514321, 2628138, 3942207, 5028642, 7884414, 11826621, 23653242, 35479863, 70959726, 106439589, 212879178, 319318767, 638637534]

約数ペア:

[(1, 638637534), (2, 319318767), (3, 212879178), (6, 106439589), (9, 70959726), (18, 35479863), (27, 23653242), (54, 11826621), (81, 7884414), (127, 5028642), (162, 3942207), (243, 2628138), (254, 2514321), (381, 1676214), (486, 1314069), (729, 876046), (762, 838107), (1143, 558738), (1458, 438023), (2286, 279369), (3429, 186246), (3449, 185166), (6858, 93123), (6898, 92583), (10287, 62082), (10347, 61722), (20574, 31041), (20694, 30861)]