81642968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{2753}}^1$

素因数の和:3107

約数の個数: 32

約数和(自身を含む): 167553360

約数和(自身を除く): 85910392

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 337, 674, 1348, 2696, 2753, 3707, 5506, 7414, 11012, 14828, 22024, 29656, 30283, 60566, 121132, 242264, 927761, 1855522, 3711044, 7422088, 10205371, 20410742, 40821484, 81642968]

約数ペア:

[(1, 81642968), (2, 40821484), (4, 20410742), (8, 10205371), (11, 7422088), (22, 3711044), (44, 1855522), (88, 927761), (337, 242264), (674, 121132), (1348, 60566), (2696, 30283), (2753, 29656), (3707, 22024), (5506, 14828), (7414, 11012)]