128230144

素因数分解:

$2^8\times 7^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 294990080

約数和(自身を除く): 166759936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 163, 224, 256, 326, 439, 448, 652, 878, 896, 1141, 1304, 1756, 1792, 2282, 2608, 3073, 3512, 4564, 5216, 6146, 7024, 9128, 10432, 12292, 14048, 18256, 20864, 24584, 28096, 36512, 41728, 49168, 56192, 71557, 73024, 98336, 112384, 143114, 146048, 196672, 286228, 292096, 393344, 500899, 572456, 786688, 1001798, 1144912, 2003596, 2289824, 4007192, 4579648, 8014384, 9159296, 16028768, 18318592, 32057536, 64115072, 128230144]

約数ペア:

[(1, 128230144), (2, 64115072), (4, 32057536), (7, 18318592), (8, 16028768), (14, 9159296), (16, 8014384), (28, 4579648), (32, 4007192), (56, 2289824), (64, 2003596), (112, 1144912), (128, 1001798), (163, 786688), (224, 572456), (256, 500899), (326, 393344), (439, 292096), (448, 286228), (652, 196672), (878, 146048), (896, 143114), (1141, 112384), (1304, 98336), (1756, 73024), (1792, 71557), (2282, 56192), (2608, 49168), (3073, 41728), (3512, 36512), (4564, 28096), (5216, 24584), (6146, 20864), (7024, 18256), (9128, 14048), (10432, 12292)]