84857857

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 108000000

約数和(自身を除く): 23142143

約数列:

[1, 7, 19, 29, 49, 133, 203, 343, 449, 551, 931, 1421, 3143, 3857, 6517, 8531, 9947, 13021, 22001, 26999, 59717, 91147, 154007, 188993, 247399, 418019, 638029, 1731793, 2926133, 4466203, 12122551, 84857857]

約数ペア:

[(1, 84857857), (7, 12122551), (19, 4466203), (29, 2926133), (49, 1731793), (133, 638029), (203, 418019), (343, 247399), (449, 188993), (551, 154007), (931, 91147), (1421, 59717), (3143, 26999), (3857, 22001), (6517, 13021), (8531, 9947)]