81079656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{991}}^1$

素因数の和:1494

約数の個数: 64

約数和(自身を含む): 232366080

約数和(自身を除く): 151286424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 487, 974, 991, 1461, 1948, 1982, 2922, 2973, 3409, 3896, 3964, 5844, 5946, 6818, 6937, 7928, 10227, 11688, 11892, 13636, 13874, 20454, 20811, 23784, 27272, 27748, 40908, 41622, 55496, 81816, 83244, 166488, 482617, 965234, 1447851, 1930468, 2895702, 3378319, 3860936, 5791404, 6756638, 10134957, 11582808, 13513276, 20269914, 27026552, 40539828, 81079656]

約数ペア:

[(1, 81079656), (2, 40539828), (3, 27026552), (4, 20269914), (6, 13513276), (7, 11582808), (8, 10134957), (12, 6756638), (14, 5791404), (21, 3860936), (24, 3378319), (28, 2895702), (42, 1930468), (56, 1447851), (84, 965234), (168, 482617), (487, 166488), (974, 83244), (991, 81816), (1461, 55496), (1948, 41622), (1982, 40908), (2922, 27748), (2973, 27272), (3409, 23784), (3896, 20811), (3964, 20454), (5844, 13874), (5946, 13636), (6818, 11892), (6937, 11688), (7928, 10227)]