1089250988

素因数分解:

$2^2\times 7^2\times {\mathrm{5557403}}^1$

素因数の和:5557421

約数の個数: 18

約数和(自身を含む): 2217404196

約数和(自身を除く): 1128153208

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 5557403, 11114806, 22229612, 38901821, 77803642, 155607284, 272312747, 544625494, 1089250988]

約数ペア:

[(1, 1089250988), (2, 544625494), (4, 272312747), (7, 155607284), (14, 77803642), (28, 38901821), (49, 22229612), (98, 11114806), (196, 5557403)]