201997718017

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2131}}^1\times {\mathrm{216911}}^1$

素因数の和:219084

約数の個数: 16

約数和(自身を含む): 221979064320

約数和(自身を除く): 19981346303

約数列:

[1, 19, 23, 437, 2131, 40489, 49013, 216911, 931247, 4121309, 4988953, 94790107, 462237341, 8782509479, 10631458843, 201997718017]

約数ペア:

[(1, 201997718017), (19, 10631458843), (23, 8782509479), (437, 462237341), (2131, 94790107), (40489, 4988953), (49013, 4121309), (216911, 931247)]