81100784

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{19273}}^1$

素因数の和:19544

約数の個数: 20

約数和(自身を含む): 157738416

約数和(自身を除く): 76637632

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 19273, 38546, 77092, 154184, 308368, 5068799, 10137598, 20275196, 40550392, 81100784]

約数ペア:

[(1, 81100784), (2, 40550392), (4, 20275196), (8, 10137598), (16, 5068799), (263, 308368), (526, 154184), (1052, 77092), (2104, 38546), (4208, 19273)]