261968

素因数分解:

$2^4\times 7^1\times {\mathrm{2339}}^1$

素因数の和:2354

約数の個数: 20

約数和(自身を含む): 580320

約数和(自身を除く): 318352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2339, 4678, 9356, 16373, 18712, 32746, 37424, 65492, 130984, 261968]

約数ペア:

[(1, 261968), (2, 130984), (4, 65492), (7, 37424), (8, 32746), (14, 18712), (16, 16373), (28, 9356), (56, 4678), (112, 2339)]