390335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:214

約数の個数: 16

約数和(自身を含む): 525312

約数和(自身を除く): 134977

約数列:

[1, 5, 11, 47, 55, 151, 235, 517, 755, 1661, 2585, 7097, 8305, 35485, 78067, 390335]

約数ペア:

[(1, 390335), (5, 78067), (11, 35485), (47, 8305), (55, 7097), (151, 2585), (235, 1661), (517, 755)]