256985168

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{1460143}}^1$

素因数の和:1460162

約数の個数: 20

約数和(自身を含む): 543173568

約数和(自身を除く): 286188400

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 1460143, 2920286, 5840572, 11681144, 16061573, 23362288, 32123146, 64246292, 128492584, 256985168]

約数ペア:

[(1, 256985168), (2, 128492584), (4, 64246292), (8, 32123146), (11, 23362288), (16, 16061573), (22, 11681144), (44, 5840572), (88, 2920286), (176, 1460143)]