638408826

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^3\times {\mathrm{26647}}^1$

素因数の和:26688

約数の個数: 48

約数和(自身を含む): 1521494208

約数和(自身を除く): 883085382

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 1331, 2178, 2662, 3993, 7986, 11979, 23958, 26647, 53294, 79941, 159882, 239823, 293117, 479646, 586234, 879351, 1758702, 2638053, 3224287, 5276106, 6448574, 9672861, 19345722, 29018583, 35467157, 58037166, 70934314, 106401471, 212802942, 319204413, 638408826]

約数ペア:

[(1, 638408826), (2, 319204413), (3, 212802942), (6, 106401471), (9, 70934314), (11, 58037166), (18, 35467157), (22, 29018583), (33, 19345722), (66, 9672861), (99, 6448574), (121, 5276106), (198, 3224287), (242, 2638053), (363, 1758702), (726, 879351), (1089, 586234), (1331, 479646), (2178, 293117), (2662, 239823), (3993, 159882), (7986, 79941), (11979, 53294), (23958, 26647)]