81168904

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{142903}}^1$

素因数の和:142980

約数の個数: 16

約数和(自身を含む): 154336320

約数和(自身を除く): 73167416

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 142903, 285806, 571612, 1143224, 10146113, 20292226, 40584452, 81168904]

約数ペア:

[(1, 81168904), (2, 40584452), (4, 20292226), (8, 10146113), (71, 1143224), (142, 571612), (284, 285806), (568, 142903)]