81813016

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{144037}}^1$

素因数の和:144114

約数の個数: 16

約数和(自身を含む): 155561040

約数和(自身を除く): 73748024

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 144037, 288074, 576148, 1152296, 10226627, 20453254, 40906508, 81813016]

約数ペア:

[(1, 81813016), (2, 40906508), (4, 20453254), (8, 10226627), (71, 1152296), (142, 576148), (284, 288074), (568, 144037)]