81425812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{5653}}^1$

素因数の和:5947

約数の個数: 24

約数和(自身を含む): 154037576

約数和(自身を除く): 72611764

約数列:

[1, 2, 4, 13, 26, 52, 277, 554, 1108, 3601, 5653, 7202, 11306, 14404, 22612, 73489, 146978, 293956, 1565881, 3131762, 6263524, 20356453, 40712906, 81425812]

約数ペア:

[(1, 81425812), (2, 40712906), (4, 20356453), (13, 6263524), (26, 3131762), (52, 1565881), (277, 293956), (554, 146978), (1108, 73489), (3601, 22612), (5653, 14404), (7202, 11306)]