205658416

素因数分解:

$2^4\times {\mathrm{1009}}^1\times {\mathrm{12739}}^1$

素因数の和:13756

約数の個数: 20

約数和(自身を含む): 398889400

約数和(自身を除く): 193230984

約数列:

[1, 2, 4, 8, 16, 1009, 2018, 4036, 8072, 12739, 16144, 25478, 50956, 101912, 203824, 12853651, 25707302, 51414604, 102829208, 205658416]

約数ペア:

[(1, 205658416), (2, 102829208), (4, 51414604), (8, 25707302), (16, 12853651), (1009, 203824), (2018, 101912), (4036, 50956), (8072, 25478), (12739, 16144)]