2561195

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{433}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 3812256

約数和(自身を除く): 1251061

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 433, 455, 845, 1183, 2165, 3031, 5629, 5915, 15155, 28145, 39403, 73177, 197015, 365885, 512239, 2561195]

約数ペア:

[(1, 2561195), (5, 512239), (7, 365885), (13, 197015), (35, 73177), (65, 39403), (91, 28145), (169, 15155), (433, 5915), (455, 5629), (845, 3031), (1183, 2165)]