81584384

素因数分解:

$2^8\times 7^1\times {\mathrm{53}}^1\times {\mathrm{859}}^1$

素因数の和:935

約数の個数: 72

約数和(自身を含む): 189846720

約数和(自身を除く): 108262336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 128, 212, 224, 256, 371, 424, 448, 742, 848, 859, 896, 1484, 1696, 1718, 1792, 2968, 3392, 3436, 5936, 6013, 6784, 6872, 11872, 12026, 13568, 13744, 23744, 24052, 27488, 45527, 47488, 48104, 54976, 91054, 94976, 96208, 109952, 182108, 192416, 219904, 318689, 364216, 384832, 637378, 728432, 769664, 1274756, 1456864, 1539328, 2549512, 2913728, 5099024, 5827456, 10198048, 11654912, 20396096, 40792192, 81584384]

約数ペア:

[(1, 81584384), (2, 40792192), (4, 20396096), (7, 11654912), (8, 10198048), (14, 5827456), (16, 5099024), (28, 2913728), (32, 2549512), (53, 1539328), (56, 1456864), (64, 1274756), (106, 769664), (112, 728432), (128, 637378), (212, 384832), (224, 364216), (256, 318689), (371, 219904), (424, 192416), (448, 182108), (742, 109952), (848, 96208), (859, 94976), (896, 91054), (1484, 54976), (1696, 48104), (1718, 47488), (1792, 45527), (2968, 27488), (3392, 24052), (3436, 23744), (5936, 13744), (6013, 13568), (6784, 12026), (6872, 11872)]