1287605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:628

約数の個数: 16

約数和(自身を含む): 1729728

約数和(自身を除く): 442123

約数列:

[1, 5, 11, 41, 55, 205, 451, 571, 2255, 2855, 6281, 23411, 31405, 117055, 257521, 1287605]

約数ペア:

[(1, 1287605), (5, 257521), (11, 117055), (41, 31405), (55, 23411), (205, 6281), (451, 2855), (571, 2255)]