278316836

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{3299}}^1$

素因数の和:3464

約数の個数: 48

約数和(自身を含む): 585446400

約数和(自身を除く): 307129564

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 131, 161, 262, 322, 524, 644, 917, 1834, 3013, 3299, 3668, 6026, 6598, 12052, 13196, 21091, 23093, 42182, 46186, 75877, 84364, 92372, 151754, 303508, 432169, 531139, 864338, 1062278, 1728676, 2124556, 3025183, 6050366, 9939887, 12100732, 19879774, 39759548, 69579209, 139158418, 278316836]

約数ペア:

[(1, 278316836), (2, 139158418), (4, 69579209), (7, 39759548), (14, 19879774), (23, 12100732), (28, 9939887), (46, 6050366), (92, 3025183), (131, 2124556), (161, 1728676), (262, 1062278), (322, 864338), (524, 531139), (644, 432169), (917, 303508), (1834, 151754), (3013, 92372), (3299, 84364), (3668, 75877), (6026, 46186), (6598, 42182), (12052, 23093), (13196, 21091)]