28409563

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 36018528

約数和(自身を除く): 7608965

約数列:

[1, 7, 13, 49, 91, 103, 433, 637, 721, 1339, 3031, 5047, 5629, 9373, 21217, 39403, 44599, 65611, 275821, 312193, 579787, 2185351, 4058509, 28409563]

約数ペア:

[(1, 28409563), (7, 4058509), (13, 2185351), (49, 579787), (91, 312193), (103, 275821), (433, 65611), (637, 44599), (721, 39403), (1339, 21217), (3031, 9373), (5047, 5629)]