208286128

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{26513}}^1$

素因数の和:27012

約数の個数: 20

約数和(自身を含む): 404391528

約数和(自身を除く): 196105400

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 3928, 7856, 26513, 53026, 106052, 212104, 424208, 13017883, 26035766, 52071532, 104143064, 208286128]

約数ペア:

[(1, 208286128), (2, 104143064), (4, 52071532), (8, 26035766), (16, 13017883), (491, 424208), (982, 212104), (1964, 106052), (3928, 53026), (7856, 26513)]