1380445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 1903680

約数和(自身を除く): 523235

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 1321, 6605, 14531, 25099, 72655, 125495, 276089, 1380445]

約数ペア:

[(1, 1380445), (5, 276089), (11, 125495), (19, 72655), (55, 25099), (95, 14531), (209, 6605), (1045, 1321)]