80542084

素因数分解:

$2^2\times 7^2\times {\mathrm{410929}}^1$

素因数の和:410947

約数の個数: 18

約数和(自身を含む): 163961070

約数和(自身を除く): 83418986

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 410929, 821858, 1643716, 2876503, 5753006, 11506012, 20135521, 40271042, 80542084]

約数ペア:

[(1, 80542084), (2, 40271042), (4, 20135521), (7, 11506012), (14, 5753006), (28, 2876503), (49, 1643716), (98, 821858), (196, 410929)]