7216281.00000000

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2069}}^1$

素因数の和:2155

約数の個数: 32

約数和(自身を含む): 131155200

約数和(自身を除く): 46013781

約数列:

[1, 3, 11, 29, 33, 43, 87, 129, 319, 473, 957, 1247, 1419, 2069, 3741, 6207, 13717, 22759, 41151, 60001, 68277, 88967, 180003, 266901, 660011, 978637, 1980033, 2580043, 2935911, 7740129, 28380473, 85141419]

約数ペア:

[(1, 85141419), (3, 28380473), (11, 7740129), (29, 2935911), (33, 2580043), (43, 1980033), (87, 978637), (129, 660011), (319, 266901), (473, 180003), (957, 88967), (1247, 68277), (1419, 60001), (2069, 41151), (3741, 22759), (6207, 13717)]