489795985

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197101}}^1$

素因数の和:197184

約数の個数: 16

約数和(自身を含む): 681184512

約数和(自身を除く): 191388527

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 197101, 985505, 1379707, 6898535, 13994171, 69970855, 97959197, 489795985]

約数ペア:

[(1, 489795985), (5, 97959197), (7, 69970855), (35, 13994171), (71, 6898535), (355, 1379707), (497, 985505), (2485, 197101)]