217624946

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 421023744

約数和(自身を除く): 203398798

約数列:

[1, 2, 7, 11, 14, 22, 47, 77, 94, 107, 154, 214, 281, 329, 517, 562, 658, 749, 1034, 1177, 1498, 1967, 2354, 3091, 3619, 3934, 5029, 6182, 7238, 8239, 10058, 13207, 16478, 21637, 26414, 30067, 35203, 43274, 55319, 60134, 70406, 92449, 110638, 145277, 184898, 210469, 290554, 330737, 387233, 420938, 661474, 774466, 1016939, 1413149, 2033878, 2315159, 2826298, 4630318, 9892043, 15544639, 19784086, 31089278, 108812473, 217624946]

約数ペア:

[(1, 217624946), (2, 108812473), (7, 31089278), (11, 19784086), (14, 15544639), (22, 9892043), (47, 4630318), (77, 2826298), (94, 2315159), (107, 2033878), (154, 1413149), (214, 1016939), (281, 774466), (329, 661474), (517, 420938), (562, 387233), (658, 330737), (749, 290554), (1034, 210469), (1177, 184898), (1498, 145277), (1967, 110638), (2354, 92449), (3091, 70406), (3619, 60134), (3934, 55319), (5029, 43274), (6182, 35203), (7238, 30067), (8239, 26414), (10058, 21637), (13207, 16478)]