1257123456

素因数分解:

$2^7\times 3^3\times {\mathrm{363751}}^1$

素因数の和:363774

約数の個数: 64

約数和(自身を含む): 3710270400

約数和(自身を除く): 2453146944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 288, 384, 432, 576, 864, 1152, 1728, 3456, 363751, 727502, 1091253, 1455004, 2182506, 2910008, 3273759, 4365012, 5820016, 6547518, 8730024, 9821277, 11640032, 13095036, 17460048, 19642554, 23280064, 26190072, 34920096, 39285108, 46560128, 52380144, 69840192, 78570216, 104760288, 139680384, 157140432, 209520576, 314280864, 419041152, 628561728, 1257123456]

約数ペア:

[(1, 1257123456), (2, 628561728), (3, 419041152), (4, 314280864), (6, 209520576), (8, 157140432), (9, 139680384), (12, 104760288), (16, 78570216), (18, 69840192), (24, 52380144), (27, 46560128), (32, 39285108), (36, 34920096), (48, 26190072), (54, 23280064), (64, 19642554), (72, 17460048), (96, 13095036), (108, 11640032), (128, 9821277), (144, 8730024), (192, 6547518), (216, 5820016), (288, 4365012), (384, 3273759), (432, 2910008), (576, 2182506), (864, 1455004), (1152, 1091253), (1728, 727502), (3456, 363751)]