68786788

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{4943}}^1$

素因数の和:5032

約数の個数: 36

約数和(自身を含む): 142031232

約数和(自身を除く): 73244444

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1988, 3479, 4943, 6958, 9886, 13916, 19772, 34601, 69202, 138404, 242207, 350953, 484414, 701906, 968828, 1403812, 2456671, 4913342, 9826684, 17196697, 34393394, 68786788]

約数ペア:

[(1, 68786788), (2, 34393394), (4, 17196697), (7, 9826684), (14, 4913342), (28, 2456671), (49, 1403812), (71, 968828), (98, 701906), (142, 484414), (196, 350953), (284, 242207), (497, 138404), (994, 69202), (1988, 34601), (3479, 19772), (4943, 13916), (6958, 9886)]