28533726

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2081

約数の個数: 48

約数和(自身を含む): 67704000

約数和(自身を除く): 39170274

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 61, 78, 117, 122, 183, 234, 366, 549, 793, 1098, 1586, 1999, 2379, 3998, 4758, 5997, 7137, 11994, 14274, 17991, 25987, 35982, 51974, 77961, 121939, 155922, 233883, 243878, 365817, 467766, 731634, 1097451, 1585207, 2194902, 3170414, 4755621, 9511242, 14266863, 28533726]

約数ペア:

[(1, 28533726), (2, 14266863), (3, 9511242), (6, 4755621), (9, 3170414), (13, 2194902), (18, 1585207), (26, 1097451), (39, 731634), (61, 467766), (78, 365817), (117, 243878), (122, 233883), (183, 155922), (234, 121939), (366, 77961), (549, 51974), (793, 35982), (1098, 25987), (1586, 17991), (1999, 14274), (2379, 11994), (3998, 7137), (4758, 5997)]