251013798

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{12689}}^1$

素因数の和:12861

約数の個数: 48

約数和(自身を含む): 625566240

約数和(自身を除く): 374552442

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 157, 314, 471, 942, 1099, 1413, 2198, 2826, 3297, 6594, 9891, 12689, 19782, 25378, 38067, 76134, 88823, 114201, 177646, 228402, 266469, 532938, 799407, 1598814, 1992173, 3984346, 5976519, 11953038, 13945211, 17929557, 27890422, 35859114, 41835633, 83671266, 125506899, 251013798]

約数ペア:

[(1, 251013798), (2, 125506899), (3, 83671266), (6, 41835633), (7, 35859114), (9, 27890422), (14, 17929557), (18, 13945211), (21, 11953038), (42, 5976519), (63, 3984346), (126, 1992173), (157, 1598814), (314, 799407), (471, 532938), (942, 266469), (1099, 228402), (1413, 177646), (2198, 114201), (2826, 88823), (3297, 76134), (6594, 38067), (9891, 25378), (12689, 19782)]