28409656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4547}}^1$

素因数の和:4635

約数の個数: 32

約数和(自身を含む): 58942080

約数和(自身を除く): 30532424

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 4547, 6248, 9094, 18188, 36376, 50017, 100034, 200068, 322837, 400136, 645674, 1291348, 2582696, 3551207, 7102414, 14204828, 28409656]

約数ペア:

[(1, 28409656), (2, 14204828), (4, 7102414), (8, 3551207), (11, 2582696), (22, 1291348), (44, 645674), (71, 400136), (88, 322837), (142, 200068), (284, 100034), (568, 50017), (781, 36376), (1562, 18188), (3124, 9094), (4547, 6248)]