71688881

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20177}}^1$

素因数の和:20224

約数の個数: 16

約数和(自身を含む): 87168960

約数和(自身を除く): 15480079

約数列:

[1, 11, 17, 19, 187, 209, 323, 3553, 20177, 221947, 343009, 383363, 3773099, 4216993, 6517171, 71688881]

約数ペア:

[(1, 71688881), (11, 6517171), (17, 4216993), (19, 3773099), (187, 383363), (209, 343009), (323, 221947), (3553, 20177)]