289745825

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{659}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 369098400

約数和(自身を除く): 79352575

約数列:

[1, 5, 25, 43, 215, 409, 659, 1075, 2045, 3295, 10225, 16475, 17587, 28337, 87935, 141685, 269531, 439675, 708425, 1347655, 6738275, 11589833, 57949165, 289745825]

約数ペア:

[(1, 289745825), (5, 57949165), (25, 11589833), (43, 6738275), (215, 1347655), (409, 708425), (659, 439675), (1075, 269531), (2045, 141685), (3295, 87935), (10225, 28337), (16475, 17587)]