199989818

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{4679}}^1$

素因数の和:4802

約数の個数: 32

約数和(自身を含む): 355829760

約数和(自身を除く): 155839942

約数列:

[1, 2, 7, 14, 43, 71, 86, 142, 301, 497, 602, 994, 3053, 4679, 6106, 9358, 21371, 32753, 42742, 65506, 201197, 332209, 402394, 664418, 1408379, 2325463, 2816758, 4650926, 14284987, 28569974, 99994909, 199989818]

約数ペア:

[(1, 199989818), (2, 99994909), (7, 28569974), (14, 14284987), (43, 4650926), (71, 2816758), (86, 2325463), (142, 1408379), (301, 664418), (497, 402394), (602, 332209), (994, 201197), (3053, 65506), (4679, 42742), (6106, 32753), (9358, 21371)]