28423276

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 58643200

約数和(自身を除く): 30219924

約数列:

[1, 2, 4, 7, 14, 28, 67, 109, 134, 139, 218, 268, 278, 436, 469, 556, 763, 938, 973, 1526, 1876, 1946, 3052, 3892, 7303, 9313, 14606, 15151, 18626, 29212, 30302, 37252, 51121, 60604, 65191, 102242, 106057, 130382, 204484, 212114, 260764, 424228, 1015117, 2030234, 4060468, 7105819, 14211638, 28423276]

約数ペア:

[(1, 28423276), (2, 14211638), (4, 7105819), (7, 4060468), (14, 2030234), (28, 1015117), (67, 424228), (109, 260764), (134, 212114), (139, 204484), (218, 130382), (268, 106057), (278, 102242), (436, 65191), (469, 60604), (556, 51121), (763, 37252), (938, 30302), (973, 29212), (1526, 18626), (1876, 15151), (1946, 14606), (3052, 9313), (3892, 7303)]