13021519

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2609}}^1$

素因数の和:2670

約数の個数: 16

約数和(自身を含む): 16035840

約数和(自身を除く): 3014321

約数列:

[1, 7, 23, 31, 161, 217, 713, 2609, 4991, 18263, 60007, 80879, 420049, 566153, 1860217, 13021519]

約数ペア:

[(1, 13021519), (7, 1860217), (23, 566153), (31, 420049), (161, 80879), (217, 60007), (713, 18263), (2609, 4991)]