489055

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:258

約数の個数: 16

約数和(自身を含む): 682560

約数和(自身を除く): 193505

約数列:

[1, 5, 7, 35, 89, 157, 445, 623, 785, 1099, 3115, 5495, 13973, 69865, 97811, 489055]

約数ペア:

[(1, 489055), (5, 97811), (7, 69865), (35, 13973), (89, 5495), (157, 3115), (445, 1099), (623, 785)]