1081456

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:528

約数の個数: 20

約数和(自身を含む): 2111472

約数和(自身を除く): 1030016

約数列:

[1, 2, 4, 8, 16, 257, 263, 514, 526, 1028, 1052, 2056, 2104, 4112, 4208, 67591, 135182, 270364, 540728, 1081456]

約数ペア:

[(1, 1081456), (2, 540728), (4, 270364), (8, 135182), (16, 67591), (257, 4208), (263, 4112), (514, 2104), (526, 2056), (1028, 1052)]