81090464

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27847}}^1$

素因数の和:27877

約数の個数: 48

約数和(自身を含む): 196495488

約数和(自身を除く): 115405024

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 27847, 55694, 111388, 194929, 222776, 362011, 389858, 445552, 724022, 779716, 891104, 1448044, 1559432, 2534077, 2896088, 3118864, 5068154, 5792176, 6237728, 10136308, 11584352, 20272616, 40545232, 81090464]

約数ペア:

[(1, 81090464), (2, 40545232), (4, 20272616), (7, 11584352), (8, 10136308), (13, 6237728), (14, 5792176), (16, 5068154), (26, 3118864), (28, 2896088), (32, 2534077), (52, 1559432), (56, 1448044), (91, 891104), (104, 779716), (112, 724022), (182, 445552), (208, 389858), (224, 362011), (364, 222776), (416, 194929), (728, 111388), (1456, 55694), (2912, 27847)]