251016784

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{82139}}^1$

素因数の和:82338

約数の個数: 20

約数和(自身を含む): 488897280

約数和(自身を除く): 237880496

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 82139, 164278, 328556, 657112, 1314224, 15688549, 31377098, 62754196, 125508392, 251016784]

約数ペア:

[(1, 251016784), (2, 125508392), (4, 62754196), (8, 31377098), (16, 15688549), (191, 1314224), (382, 657112), (764, 328556), (1528, 164278), (3056, 82139)]