81164428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{3169}}^1$

素因数の和:3529

約数の個数: 24

約数和(自身を含む): 150004400

約数和(自身を除く): 68839972

約数列:

[1, 2, 4, 19, 38, 76, 337, 674, 1348, 3169, 6338, 6403, 12676, 12806, 25612, 60211, 120422, 240844, 1067953, 2135906, 4271812, 20291107, 40582214, 81164428]

約数ペア:

[(1, 81164428), (2, 40582214), (4, 20291107), (19, 4271812), (38, 2135906), (76, 1067953), (337, 240844), (674, 120422), (1348, 60211), (3169, 25612), (6338, 12806), (6403, 12676)]