66708976

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{16223}}^1$

素因数の和:16488

約数の個数: 20

約数和(自身を含む): 129759552

約数和(自身を除く): 63050576

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 16223, 32446, 64892, 129784, 259568, 4169311, 8338622, 16677244, 33354488, 66708976]

約数ペア:

[(1, 66708976), (2, 33354488), (4, 16677244), (8, 8338622), (16, 4169311), (257, 259568), (514, 129784), (1028, 64892), (2056, 32446), (4112, 16223)]