81485816

素因数分解:

$2^3\times {\mathrm{263}}^1\times {\mathrm{38729}}^1$

素因数の和:38998

約数の個数: 16

約数和(自身を含む): 153370800

約数和(自身を除く): 71884984

約数列:

[1, 2, 4, 8, 263, 526, 1052, 2104, 38729, 77458, 154916, 309832, 10185727, 20371454, 40742908, 81485816]

約数ペア:

[(1, 81485816), (2, 40742908), (4, 20371454), (8, 10185727), (263, 309832), (526, 154916), (1052, 77458), (2104, 38729)]