209360981

素因数分解:

${\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{1381}}^1$

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 225542400

約数和(自身を除く): 16181419

約数列:

[1, 19, 79, 101, 1381, 1501, 1919, 7979, 26239, 109099, 139481, 151601, 2072881, 2650139, 11018999, 209360981]

約数ペア:

[(1, 209360981), (19, 11018999), (79, 2650139), (101, 2072881), (1381, 151601), (1501, 139481), (1919, 109099), (7979, 26239)]