12840394

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{39877}}^1$

素因数の和:39909

約数の個数: 16

約数和(自身を含む): 22969728

約数和(自身を除く): 10129334

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 39877, 79754, 279139, 558278, 917171, 1834342, 6420197, 12840394]

約数ペア:

[(1, 12840394), (2, 6420197), (7, 1834342), (14, 917171), (23, 558278), (46, 279139), (161, 79754), (322, 39877)]