1620161284

素因数分解:

$2^2\times 7^2\times {\mathrm{8266129}}^1$

素因数の和:8266147

約数の個数: 18

約数和(自身を含む): 3298185870

約数和(自身を除く): 1678024586

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 8266129, 16532258, 33064516, 57862903, 115725806, 231451612, 405040321, 810080642, 1620161284]

約数ペア:

[(1, 1620161284), (2, 810080642), (4, 405040321), (7, 231451612), (14, 115725806), (28, 57862903), (49, 33064516), (98, 16532258), (196, 8266129)]