12487972

素因数分解:

$2^2\times 7^1\times {\mathrm{653}}^1\times {\mathrm{683}}^1$

素因数の和:1347

約数の個数: 24

約数和(自身を含む): 25050816

約数和(自身を除く): 12562844

約数列:

[1, 2, 4, 7, 14, 28, 653, 683, 1306, 1366, 2612, 2732, 4571, 4781, 9142, 9562, 18284, 19124, 445999, 891998, 1783996, 3121993, 6243986, 12487972]

約数ペア:

[(1, 12487972), (2, 6243986), (4, 3121993), (7, 1783996), (14, 891998), (28, 445999), (653, 19124), (683, 18284), (1306, 9562), (1366, 9142), (2612, 4781), (2732, 4571)]