219670724

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1181}}^1$

素因数の和:1285

約数の個数: 72

約数和(自身を含む): 488596248

約数和(自身を除く): 268925524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 73, 91, 98, 146, 182, 196, 292, 364, 511, 637, 949, 1022, 1181, 1274, 1898, 2044, 2362, 2548, 3577, 3796, 4724, 6643, 7154, 8267, 13286, 14308, 15353, 16534, 26572, 30706, 33068, 46501, 57869, 61412, 86213, 93002, 107471, 115738, 172426, 186004, 214942, 231476, 344852, 429884, 603491, 752297, 1120769, 1206982, 1504594, 2241538, 2413964, 3009188, 4224437, 4483076, 7845383, 8448874, 15690766, 16897748, 31381532, 54917681, 109835362, 219670724]

約数ペア:

[(1, 219670724), (2, 109835362), (4, 54917681), (7, 31381532), (13, 16897748), (14, 15690766), (26, 8448874), (28, 7845383), (49, 4483076), (52, 4224437), (73, 3009188), (91, 2413964), (98, 2241538), (146, 1504594), (182, 1206982), (196, 1120769), (292, 752297), (364, 603491), (511, 429884), (637, 344852), (949, 231476), (1022, 214942), (1181, 186004), (1274, 172426), (1898, 115738), (2044, 107471), (2362, 93002), (2548, 86213), (3577, 61412), (3796, 57869), (4724, 46501), (6643, 33068), (7154, 30706), (8267, 26572), (13286, 16534), (14308, 15353)]