81741716

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{26783}}^1$

素因数の和:26903

約数の個数: 24

約数和(自身を含む): 164989440

約数和(自身を除く): 83247724

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 26783, 53566, 107132, 187481, 374962, 749924, 2919347, 5838694, 11677388, 20435429, 40870858, 81741716]

約数ペア:

[(1, 81741716), (2, 40870858), (4, 20435429), (7, 11677388), (14, 5838694), (28, 2919347), (109, 749924), (218, 374962), (436, 187481), (763, 107132), (1526, 53566), (3052, 26783)]