12561479

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{541}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 14985216

約数和(自身を除く): 2423737

約数列:

[1, 7, 31, 107, 217, 541, 749, 3317, 3787, 16771, 23219, 57887, 117397, 405209, 1794497, 12561479]

約数ペア:

[(1, 12561479), (7, 1794497), (31, 405209), (107, 117397), (217, 57887), (541, 23219), (749, 16771), (3317, 3787)]