81459128

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{248351}}^1$

素因数の和:248398

約数の個数: 16

約数和(自身を含む): 156461760

約数和(自身を除く): 75002632

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 248351, 496702, 993404, 1986808, 10182391, 20364782, 40729564, 81459128]

約数ペア:

[(1, 81459128), (2, 40729564), (4, 20364782), (8, 10182391), (41, 1986808), (82, 993404), (164, 496702), (328, 248351)]