28311881

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1381}}^1$

素因数の和:1496

約数の個数: 16

約数和(自身を含む): 32504640

約数和(自身を除く): 4192759

約数列:

[1, 13, 19, 83, 247, 1079, 1381, 1577, 17953, 20501, 26239, 114623, 341107, 1490099, 2177837, 28311881]

約数ペア:

[(1, 28311881), (13, 2177837), (19, 1490099), (83, 341107), (247, 114623), (1079, 26239), (1381, 20501), (1577, 17953)]