257796772

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{34781}}^1$

素因数の和:34911

約数の個数: 24

約数和(自身を含む): 482078520

約数和(自身を除く): 224281748

約数列:

[1, 2, 4, 17, 34, 68, 109, 218, 436, 1853, 3706, 7412, 34781, 69562, 139124, 591277, 1182554, 2365108, 3791129, 7582258, 15164516, 64449193, 128898386, 257796772]

約数ペア:

[(1, 257796772), (2, 128898386), (4, 64449193), (17, 15164516), (34, 7582258), (68, 3791129), (109, 2365108), (218, 1182554), (436, 591277), (1853, 139124), (3706, 69562), (7412, 34781)]