678477654

素因数分解:

$2^1\times 3^3\times {\mathrm{12564401}}^1$

素因数の和:12564412

約数の個数: 16

約数和(自身を含む): 1507728240

約数和(自身を除く): 829250586

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 12564401, 25128802, 37693203, 75386406, 113079609, 226159218, 339238827, 678477654]

約数ペア:

[(1, 678477654), (2, 339238827), (3, 226159218), (6, 113079609), (9, 75386406), (18, 37693203), (27, 25128802), (54, 12564401)]