12122551

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 15390000

約数和(自身を除く): 3267449

約数列:

[1, 7, 19, 29, 49, 133, 203, 449, 551, 931, 1421, 3143, 3857, 8531, 13021, 22001, 26999, 59717, 91147, 247399, 418019, 638029, 1731793, 12122551]

約数ペア:

[(1, 12122551), (7, 1731793), (19, 638029), (29, 418019), (49, 247399), (133, 91147), (203, 59717), (449, 26999), (551, 22001), (931, 13021), (1421, 8531), (3143, 3857)]