8321245

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 10644480

約数和(自身を除く): 2323235

約数列:

[1, 5, 17, 85, 223, 439, 1115, 2195, 3791, 7463, 18955, 37315, 97897, 489485, 1664249, 8321245]

約数ペア:

[(1, 8321245), (5, 1664249), (17, 489485), (85, 97897), (223, 37315), (439, 18955), (1115, 7463), (2195, 3791)]