85897889

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 114296832

約数和(自身を除く): 28398943

約数列:

[1, 7, 11, 17, 77, 119, 187, 211, 311, 1309, 1477, 2177, 2321, 3421, 3587, 5287, 16247, 23947, 25109, 37009, 39457, 58157, 65621, 276199, 407099, 459347, 721831, 1115557, 5052817, 7808899, 12271127, 85897889]

約数ペア:

[(1, 85897889), (7, 12271127), (11, 7808899), (17, 5052817), (77, 1115557), (119, 721831), (187, 459347), (211, 407099), (311, 276199), (1309, 65621), (1477, 58157), (2177, 39457), (2321, 37009), (3421, 25109), (3587, 23947), (5287, 16247)]