12405239

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5197}}^1$

素因数の和:5246

約数の個数: 16

約数和(自身を含む): 15968256

約数和(自身を除く): 3563017

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 5197, 36379, 57167, 161107, 400169, 1127749, 1772177, 12405239]

約数ペア:

[(1, 12405239), (7, 1772177), (11, 1127749), (31, 400169), (77, 161107), (217, 57167), (341, 36379), (2387, 5197)]