290581168

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{130657}}^1$

素因数の和:130804

約数の個数: 20

約数和(自身を含む): 567055720

約数和(自身を除く): 276474552

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 130657, 261314, 522628, 1045256, 2090512, 18161323, 36322646, 72645292, 145290584, 290581168]

約数ペア:

[(1, 290581168), (2, 145290584), (4, 72645292), (8, 36322646), (16, 18161323), (139, 2090512), (278, 1045256), (556, 522628), (1112, 261314), (2224, 130657)]