81865394

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{4441}}^1$

素因数の和:5165

約数の個数: 16

約数和(自身を含む): 132460440

約数和(自身を除く): 50595046

約数列:

[1, 2, 13, 26, 709, 1418, 4441, 8882, 9217, 18434, 57733, 115466, 3148669, 6297338, 40932697, 81865394]

約数ペア:

[(1, 81865394), (2, 40932697), (13, 6297338), (26, 3148669), (709, 115466), (1418, 57733), (4441, 18434), (8882, 9217)]