2149016765

素因数分解:

$5^1\times 7^3\times {\mathrm{1253071}}^1$

素因数の和:1253097

約数の個数: 16

約数和(自身を含む): 3007372800

約数和(自身を除く): 858356035

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 1253071, 6265355, 8771497, 43857485, 61400479, 307002395, 429803353, 2149016765]

約数ペア:

[(1, 2149016765), (5, 429803353), (7, 307002395), (35, 61400479), (49, 43857485), (245, 8771497), (343, 6265355), (1715, 1253071)]