1391195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1259}}^1$

素因数の和:1294

約数の個数: 16

約数和(自身を含む): 1905120

約数和(自身を除く): 513925

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 1259, 6295, 16367, 21403, 81835, 107015, 278239, 1391195]

約数ペア:

[(1, 1391195), (5, 278239), (13, 107015), (17, 81835), (65, 21403), (85, 16367), (221, 6295), (1105, 1259)]