16040395

素因数分解:

$5^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 23040000

約数和(自身を除く): 6999605

約数列:

[1, 5, 7, 35, 47, 49, 199, 235, 245, 329, 343, 995, 1393, 1645, 1715, 2303, 6965, 9353, 9751, 11515, 16121, 46765, 48755, 65471, 68257, 80605, 327355, 341285, 458297, 2291485, 3208079, 16040395]

約数ペア:

[(1, 16040395), (5, 3208079), (7, 2291485), (35, 458297), (47, 341285), (49, 327355), (199, 80605), (235, 68257), (245, 65471), (329, 48755), (343, 46765), (995, 16121), (1393, 11515), (1645, 9751), (1715, 9353), (2303, 6965)]