28495825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{67049}}^1$

素因数の和:67076

約数の個数: 12

約数和(自身を含む): 37413900

約数和(自身を除く): 8918075

約数列:

[1, 5, 17, 25, 85, 425, 67049, 335245, 1139833, 1676225, 5699165, 28495825]

約数ペア:

[(1, 28495825), (5, 5699165), (17, 1676225), (25, 1139833), (85, 335245), (425, 67049)]