1385456

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:800

約数の個数: 20

約数和(自身を含む): 2708904

約数和(自身を除く): 1323448

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 661, 1048, 1322, 2096, 2644, 5288, 10576, 86591, 173182, 346364, 692728, 1385456]

約数ペア:

[(1, 1385456), (2, 692728), (4, 346364), (8, 173182), (16, 86591), (131, 10576), (262, 5288), (524, 2644), (661, 2096), (1048, 1322)]