1313305

素因数分解:

$5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 1820160

約数和(自身を除く): 506855

約数列:

[1, 5, 7, 35, 157, 239, 785, 1099, 1195, 1673, 5495, 8365, 37523, 187615, 262661, 1313305]

約数ペア:

[(1, 1313305), (5, 262661), (7, 187615), (35, 37523), (157, 8365), (239, 5495), (785, 1673), (1099, 1195)]