90985279

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{811}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 119734272

約数和(自身を除く): 28748993

約数列:

[1, 7, 11, 31, 47, 77, 217, 329, 341, 517, 811, 1457, 2387, 3619, 5677, 8921, 10199, 16027, 25141, 38117, 62447, 112189, 175987, 266819, 276551, 419287, 1181627, 1935857, 2935009, 8271389, 12997897, 90985279]

約数ペア:

[(1, 90985279), (7, 12997897), (11, 8271389), (31, 2935009), (47, 1935857), (77, 1181627), (217, 419287), (329, 276551), (341, 266819), (517, 175987), (811, 112189), (1457, 62447), (2387, 38117), (3619, 25141), (5677, 16027), (8921, 10199)]