81137984

素因数分解:

$2^6\times {\mathrm{257}}^1\times {\mathrm{4933}}^1$

素因数の和:5202

約数の個数: 28

約数和(自身を含む): 161667444

約数和(自身を除く): 80529460

約数列:

[1, 2, 4, 8, 16, 32, 64, 257, 514, 1028, 2056, 4112, 4933, 8224, 9866, 16448, 19732, 39464, 78928, 157856, 315712, 1267781, 2535562, 5071124, 10142248, 20284496, 40568992, 81137984]

約数ペア:

[(1, 81137984), (2, 40568992), (4, 20284496), (8, 10142248), (16, 5071124), (32, 2535562), (64, 1267781), (257, 315712), (514, 157856), (1028, 78928), (2056, 39464), (4112, 19732), (4933, 16448), (8224, 9866)]