8887554

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2039

約数の個数: 48

約数和(自身を含む): 21840000

約数和(自身を除く): 12952446

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 1999, 2223, 3998, 4446, 5997, 11994, 17991, 25987, 35982, 37981, 51974, 75962, 77961, 113943, 155922, 227886, 233883, 341829, 467766, 493753, 683658, 987506, 1481259, 2962518, 4443777, 8887554]

約数ペア:

[(1, 8887554), (2, 4443777), (3, 2962518), (6, 1481259), (9, 987506), (13, 683658), (18, 493753), (19, 467766), (26, 341829), (38, 233883), (39, 227886), (57, 155922), (78, 113943), (114, 77961), (117, 75962), (171, 51974), (234, 37981), (247, 35982), (342, 25987), (494, 17991), (741, 11994), (1482, 5997), (1999, 4446), (2223, 3998)]