81256376

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{4933}}^1$

素因数の和:5039

約数の個数: 32

約数和(自身を含む): 159861600

約数和(自身を除く): 78605224

約数列:

[1, 2, 4, 8, 29, 58, 71, 116, 142, 232, 284, 568, 2059, 4118, 4933, 8236, 9866, 16472, 19732, 39464, 143057, 286114, 350243, 572228, 700486, 1144456, 1400972, 2801944, 10157047, 20314094, 40628188, 81256376]

約数ペア:

[(1, 81256376), (2, 40628188), (4, 20314094), (8, 10157047), (29, 2801944), (58, 1400972), (71, 1144456), (116, 700486), (142, 572228), (232, 350243), (284, 286114), (568, 143057), (2059, 39464), (4118, 19732), (4933, 16472), (8236, 9866)]