2571821

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:404

約数の個数: 16

約数和(自身を含む): 3154560

約数和(自身を除く): 582739

約数列:

[1, 7, 19, 61, 133, 317, 427, 1159, 2219, 6023, 8113, 19337, 42161, 135359, 367403, 2571821]

約数ペア:

[(1, 2571821), (7, 367403), (19, 135359), (61, 42161), (133, 19337), (317, 8113), (427, 6023), (1159, 2219)]