198684642

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:823

約数の個数: 64

約数和(自身を含む): 445906944

約数和(自身を除く): 247222302

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 127, 186, 254, 381, 403, 647, 762, 806, 1209, 1294, 1651, 1941, 2418, 3302, 3882, 3937, 4953, 7874, 8411, 9906, 11811, 16822, 20057, 23622, 25233, 40114, 50466, 51181, 60171, 82169, 102362, 120342, 153543, 164338, 246507, 260741, 307086, 493014, 521482, 782223, 1068197, 1564446, 2136394, 2547239, 3204591, 5094478, 6409182, 7641717, 15283434, 33114107, 66228214, 99342321, 198684642]

約数ペア:

[(1, 198684642), (2, 99342321), (3, 66228214), (6, 33114107), (13, 15283434), (26, 7641717), (31, 6409182), (39, 5094478), (62, 3204591), (78, 2547239), (93, 2136394), (127, 1564446), (186, 1068197), (254, 782223), (381, 521482), (403, 493014), (647, 307086), (762, 260741), (806, 246507), (1209, 164338), (1294, 153543), (1651, 120342), (1941, 102362), (2418, 82169), (3302, 60171), (3882, 51181), (3937, 50466), (4953, 40114), (7874, 25233), (8411, 23622), (9906, 20057), (11811, 16822)]