28029978

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1999}}^1$

素因数の和:2067

約数の個数: 48

約数和(自身を含む): 65520000

約数和(自身を除く): 37490022

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 41, 57, 82, 114, 123, 171, 246, 342, 369, 738, 779, 1558, 1999, 2337, 3998, 4674, 5997, 7011, 11994, 14022, 17991, 35982, 37981, 75962, 81959, 113943, 163918, 227886, 245877, 341829, 491754, 683658, 737631, 1475262, 1557221, 3114442, 4671663, 9343326, 14014989, 28029978]

約数ペア:

[(1, 28029978), (2, 14014989), (3, 9343326), (6, 4671663), (9, 3114442), (18, 1557221), (19, 1475262), (38, 737631), (41, 683658), (57, 491754), (82, 341829), (114, 245877), (123, 227886), (171, 163918), (246, 113943), (342, 81959), (369, 75962), (738, 37981), (779, 35982), (1558, 17991), (1999, 14022), (2337, 11994), (3998, 7011), (4674, 5997)]