8999605

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:428

約数の個数: 16

約数和(自身を含む): 11104128

約数和(自身を除く): 2104523

約数列:

[1, 5, 71, 101, 251, 355, 505, 1255, 7171, 17821, 25351, 35855, 89105, 126755, 1799921, 8999605]

約数ペア:

[(1, 8999605), (5, 1799921), (71, 126755), (101, 89105), (251, 35855), (355, 25351), (505, 17821), (1255, 7171)]