25153996

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 53061120

約数和(自身を除く): 27907124

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 139, 161, 278, 281, 322, 556, 562, 644, 973, 1124, 1946, 1967, 3197, 3892, 3934, 6394, 6463, 7868, 12788, 12926, 22379, 25852, 39059, 44758, 45241, 78118, 89516, 90482, 156236, 180964, 273413, 546826, 898357, 1093652, 1796714, 3593428, 6288499, 12576998, 25153996]

約数ペア:

[(1, 25153996), (2, 12576998), (4, 6288499), (7, 3593428), (14, 1796714), (23, 1093652), (28, 898357), (46, 546826), (92, 273413), (139, 180964), (161, 156236), (278, 90482), (281, 89516), (322, 78118), (556, 45241), (562, 44758), (644, 39059), (973, 25852), (1124, 22379), (1946, 12926), (1967, 12788), (3197, 7868), (3892, 6463), (3934, 6394)]