161504161

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3221}}^1$

素因数の和:3289

約数の個数: 32

約数和(自身を含む): 216518400

約数和(自身を除く): 55014239

約数列:

[1, 7, 13, 19, 29, 91, 133, 203, 247, 377, 551, 1729, 2639, 3221, 3857, 7163, 22547, 41873, 50141, 61199, 93409, 293111, 428393, 653863, 795587, 1214317, 1774771, 5569109, 8500219, 12423397, 23072023, 161504161]

約数ペア:

[(1, 161504161), (7, 23072023), (13, 12423397), (19, 8500219), (29, 5569109), (91, 1774771), (133, 1214317), (203, 795587), (247, 653863), (377, 428393), (551, 293111), (1729, 93409), (2639, 61199), (3221, 50141), (3857, 41873), (7163, 22547)]