256216976

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{842819}}^1$

素因数の和:842846

約数の個数: 20

約数和(自身を含む): 522548400

約数和(自身を除く): 266331424

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 842819, 1685638, 3371276, 6742552, 13485104, 16013561, 32027122, 64054244, 128108488, 256216976]

約数ペア:

[(1, 256216976), (2, 128108488), (4, 64054244), (8, 32027122), (16, 16013561), (19, 13485104), (38, 6742552), (76, 3371276), (152, 1685638), (304, 842819)]