81909386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{4003}}^1$

素因数の和:4805

約数の個数: 16

約数和(自身を含む): 132516384

約数和(自身を除く): 50606998

約数列:

[1, 2, 13, 26, 787, 1574, 4003, 8006, 10231, 20462, 52039, 104078, 3150361, 6300722, 40954693, 81909386]

約数ペア:

[(1, 81909386), (2, 40954693), (13, 6300722), (26, 3150361), (787, 104078), (1574, 52039), (4003, 20462), (8006, 10231)]