200907644

素因数分解:

$2^2\times 7^2\times {\mathrm{1025039}}^1$

素因数の和:1025057

約数の個数: 18

約数和(自身を含む): 408990960

約数和(自身を除く): 208083316

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1025039, 2050078, 4100156, 7175273, 14350546, 28701092, 50226911, 100453822, 200907644]

約数ペア:

[(1, 200907644), (2, 100453822), (4, 50226911), (7, 28701092), (14, 14350546), (28, 7175273), (49, 4100156), (98, 2050078), (196, 1025039)]