28724982272

素因数分解:

$2^9\times 7^3\times {\mathrm{163567}}^1$

素因数の和:163606

約数の個数: 80

約数和(自身を含む): 66932025600

約数和(自身を除く): 38207043328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 512, 686, 784, 896, 1372, 1568, 1792, 2744, 3136, 3584, 5488, 6272, 10976, 12544, 21952, 25088, 43904, 87808, 163567, 175616, 327134, 654268, 1144969, 1308536, 2289938, 2617072, 4579876, 5234144, 8014783, 9159752, 10468288, 16029566, 18319504, 20936576, 32059132, 36639008, 41873152, 56103481, 64118264, 73278016, 83746304, 112206962, 128236528, 146556032, 224413924, 256473056, 293112064, 448827848, 512946112, 586224128, 897655696, 1025892224, 1795311392, 2051784448, 3590622784, 4103568896, 7181245568, 14362491136, 28724982272]

約数ペア:

[(1, 28724982272), (2, 14362491136), (4, 7181245568), (7, 4103568896), (8, 3590622784), (14, 2051784448), (16, 1795311392), (28, 1025892224), (32, 897655696), (49, 586224128), (56, 512946112), (64, 448827848), (98, 293112064), (112, 256473056), (128, 224413924), (196, 146556032), (224, 128236528), (256, 112206962), (343, 83746304), (392, 73278016), (448, 64118264), (512, 56103481), (686, 41873152), (784, 36639008), (896, 32059132), (1372, 20936576), (1568, 18319504), (1792, 16029566), (2744, 10468288), (3136, 9159752), (3584, 8014783), (5488, 5234144), (6272, 4579876), (10976, 2617072), (12544, 2289938), (21952, 1308536), (25088, 1144969), (43904, 654268), (87808, 327134), (163567, 175616)]