25979004

素因数分解:

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

素因数の和:2047

約数の個数: 54

約数和(自身を含む): 69342000

約数和(自身を除く): 43362996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 361, 684, 722, 1083, 1444, 1999, 2166, 3249, 3998, 4332, 5997, 6498, 7996, 11994, 12996, 17991, 23988, 35982, 37981, 71964, 75962, 113943, 151924, 227886, 341829, 455772, 683658, 721639, 1367316, 1443278, 2164917, 2886556, 4329834, 6494751, 8659668, 12989502, 25979004]

約数ペア:

[(1, 25979004), (2, 12989502), (3, 8659668), (4, 6494751), (6, 4329834), (9, 2886556), (12, 2164917), (18, 1443278), (19, 1367316), (36, 721639), (38, 683658), (57, 455772), (76, 341829), (114, 227886), (171, 151924), (228, 113943), (342, 75962), (361, 71964), (684, 37981), (722, 35982), (1083, 23988), (1444, 17991), (1999, 12996), (2166, 11994), (3249, 7996), (3998, 6498), (4332, 5997)]