81137576

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{60013}}^1$

素因数の和:60045

約数の個数: 24

約数和(自身を含む): 164738430

約数和(自身を除く): 83600854

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 60013, 120026, 240052, 480104, 780169, 1560338, 3120676, 6241352, 10142197, 20284394, 40568788, 81137576]

約数ペア:

[(1, 81137576), (2, 40568788), (4, 20284394), (8, 10142197), (13, 6241352), (26, 3120676), (52, 1560338), (104, 780169), (169, 480104), (338, 240052), (676, 120026), (1352, 60013)]