638830076

素因数分解:

$2^2\times {\mathrm{311}}^1\times {\mathrm{513529}}^1$

素因数の和:513844

約数の個数: 12

約数和(自身を含む): 1121549520

約数和(自身を除く): 482719444

約数列:

[1, 2, 4, 311, 622, 1244, 513529, 1027058, 2054116, 159707519, 319415038, 638830076]

約数ペア:

[(1, 638830076), (2, 319415038), (4, 159707519), (311, 2054116), (622, 1027058), (1244, 513529)]