128868064

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{309779}}^1$

素因数の和:309802

約数の個数: 24

約数和(自身を含む): 273225960

約数和(自身を除く): 144357896

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 309779, 619558, 1239116, 2478232, 4027127, 4956464, 8054254, 9912928, 16108508, 32217016, 64434032, 128868064]

約数ペア:

[(1, 128868064), (2, 64434032), (4, 32217016), (8, 16108508), (13, 9912928), (16, 8054254), (26, 4956464), (32, 4027127), (52, 2478232), (104, 1239116), (208, 619558), (416, 309779)]