12840541

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1259}}^1$

素因数の和:1344

約数の個数: 16

約数和(自身を含む): 15482880

約数和(自身を除く): 2642339

約数列:

[1, 7, 31, 47, 217, 329, 1259, 1457, 8813, 10199, 39029, 59173, 273203, 414211, 1834363, 12840541]

約数ペア:

[(1, 12840541), (7, 1834363), (31, 414211), (47, 273203), (217, 59173), (329, 39029), (1259, 10199), (1457, 8813)]