205345819

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{593}}^1$

素因数の和:835

約数の個数: 24

約数和(自身を含む): 247027968

約数和(自身を除く): 41682149

約数列:

[1, 7, 37, 49, 191, 259, 593, 1337, 1813, 4151, 7067, 9359, 21941, 29057, 49469, 113263, 153587, 346283, 792841, 1075109, 4190731, 5549887, 29335117, 205345819]

約数ペア:

[(1, 205345819), (7, 29335117), (37, 5549887), (49, 4190731), (191, 1075109), (259, 792841), (593, 346283), (1337, 153587), (1813, 113263), (4151, 49469), (7067, 29057), (9359, 21941)]