1219085

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 1702272

約数和(自身を除く): 483187

約数列:

[1, 5, 7, 35, 61, 305, 427, 571, 2135, 2855, 3997, 19985, 34831, 174155, 243817, 1219085]

約数ペア:

[(1, 1219085), (5, 243817), (7, 174155), (35, 34831), (61, 19985), (305, 3997), (427, 2855), (571, 2135)]