81223912

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{11987}}^1$

素因数の和:12022

約数の個数: 48

約数和(自身を含む): 191328480

約数和(自身を除く): 110104568

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 3388, 6776, 11987, 23974, 47948, 83909, 95896, 131857, 167818, 263714, 335636, 527428, 671272, 922999, 1054856, 1450427, 1845998, 2900854, 3691996, 5801708, 7383992, 10152989, 11603416, 20305978, 40611956, 81223912]

約数ペア:

[(1, 81223912), (2, 40611956), (4, 20305978), (7, 11603416), (8, 10152989), (11, 7383992), (14, 5801708), (22, 3691996), (28, 2900854), (44, 1845998), (56, 1450427), (77, 1054856), (88, 922999), (121, 671272), (154, 527428), (242, 335636), (308, 263714), (484, 167818), (616, 131857), (847, 95896), (968, 83909), (1694, 47948), (3388, 23974), (6776, 11987)]