200720513

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1187}}^1$

素因数の和:1254

約数の個数: 32

約数和(自身を含む): 256608000

約数和(自身を除く): 55887487

約数列:

[1, 7, 17, 29, 49, 119, 203, 343, 493, 833, 1187, 1421, 3451, 5831, 8309, 9947, 20179, 24157, 34423, 58163, 141253, 169099, 240961, 407141, 585191, 988771, 1686727, 4096337, 6921397, 11807089, 28674359, 200720513]

約数ペア:

[(1, 200720513), (7, 28674359), (17, 11807089), (29, 6921397), (49, 4096337), (119, 1686727), (203, 988771), (343, 585191), (493, 407141), (833, 240961), (1187, 169099), (1421, 141253), (3451, 58163), (5831, 34423), (8309, 24157), (9947, 20179)]