1989291248

素因数分解:

$2^4\times 7^1\times {\mathrm{17761529}}^1$

素因数の和:17761544

約数の個数: 20

約数和(自身を含む): 4404859440

約数和(自身を除く): 2415568192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 17761529, 35523058, 71046116, 124330703, 142092232, 248661406, 284184464, 497322812, 994645624, 1989291248]

約数ペア:

[(1, 1989291248), (2, 994645624), (4, 497322812), (7, 284184464), (8, 248661406), (14, 142092232), (16, 124330703), (28, 71046116), (56, 35523058), (112, 17761529)]