289904655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{8179}}^1$

素因数の和:8343

約数の個数: 32

約数和(自身を含む): 494726400

約数和(自身を除く): 204821745

約数列:

[1, 3, 5, 15, 17, 51, 85, 139, 255, 417, 695, 2085, 2363, 7089, 8179, 11815, 24537, 35445, 40895, 122685, 139043, 417129, 695215, 1136881, 2085645, 3410643, 5684405, 17053215, 19326977, 57980931, 96634885, 289904655]

約数ペア:

[(1, 289904655), (3, 96634885), (5, 57980931), (15, 19326977), (17, 17053215), (51, 5684405), (85, 3410643), (139, 2085645), (255, 1136881), (417, 695215), (695, 417129), (2085, 139043), (2363, 122685), (7089, 40895), (8179, 35445), (11815, 24537)]