1089328

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{661}}^1$

素因数の和:772

約数の個数: 20

約数和(自身を含む): 2134288

約数和(自身を除く): 1044960

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 661, 824, 1322, 1648, 2644, 5288, 10576, 68083, 136166, 272332, 544664, 1089328]

約数ペア:

[(1, 1089328), (2, 544664), (4, 272332), (8, 136166), (16, 68083), (103, 10576), (206, 5288), (412, 2644), (661, 1648), (824, 1322)]