81251728

素因数分解:

$2^4\times {\mathrm{1759}}^1\times {\mathrm{2887}}^1$

素因数の和:4654

約数の個数: 20

約数和(自身を含む): 157569280

約数和(自身を除く): 76317552

約数列:

[1, 2, 4, 8, 16, 1759, 2887, 3518, 5774, 7036, 11548, 14072, 23096, 28144, 46192, 5078233, 10156466, 20312932, 40625864, 81251728]

約数ペア:

[(1, 81251728), (2, 40625864), (4, 20312932), (8, 10156466), (16, 5078233), (1759, 46192), (2887, 28144), (3518, 23096), (5774, 14072), (7036, 11548)]