261213121

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{36467}}^1$

素因数の和:36528

約数の個数: 16

約数和(自身を含む): 306331200

約数和(自身を除く): 45118079

約数列:

[1, 13, 19, 29, 247, 377, 551, 7163, 36467, 474071, 692873, 1057543, 9007349, 13748059, 20093317, 261213121]

約数ペア:

[(1, 261213121), (13, 20093317), (19, 13748059), (29, 9007349), (247, 1057543), (377, 692873), (551, 474071), (7163, 36467)]