278360844

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{3881}}^1$

素因数の和:4070

約数の個数: 48

約数和(自身を含む): 669567360

約数和(自身を除く): 391206516

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 139, 172, 258, 278, 417, 516, 556, 834, 1668, 3881, 5977, 7762, 11643, 11954, 15524, 17931, 23286, 23908, 35862, 46572, 71724, 166883, 333766, 500649, 539459, 667532, 1001298, 1078918, 1618377, 2002596, 2157836, 3236754, 6473508, 23196737, 46393474, 69590211, 92786948, 139180422, 278360844]

約数ペア:

[(1, 278360844), (2, 139180422), (3, 92786948), (4, 69590211), (6, 46393474), (12, 23196737), (43, 6473508), (86, 3236754), (129, 2157836), (139, 2002596), (172, 1618377), (258, 1078918), (278, 1001298), (417, 667532), (516, 539459), (556, 500649), (834, 333766), (1668, 166883), (3881, 71724), (5977, 46572), (7762, 35862), (11643, 23908), (11954, 23286), (15524, 17931)]