1239215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:322

約数の個数: 16

約数和(自身を含む): 1607040

約数和(自身を除く): 367825

約数列:

[1, 5, 17, 61, 85, 239, 305, 1037, 1195, 4063, 5185, 14579, 20315, 72895, 247843, 1239215]

約数ペア:

[(1, 1239215), (5, 247843), (17, 72895), (61, 20315), (85, 14579), (239, 5185), (305, 4063), (1037, 1195)]