2786255

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:374

約数の個数: 16

約数和(自身を含む): 3561600

約数和(自身を除く): 775345

約数列:

[1, 5, 19, 95, 139, 211, 695, 1055, 2641, 4009, 13205, 20045, 29329, 146645, 557251, 2786255]

約数ペア:

[(1, 2786255), (5, 557251), (19, 146645), (95, 29329), (139, 20045), (211, 13205), (695, 4009), (1055, 2641)]