638649216

素因数分解:

$2^7\times 3^2\times {\mathrm{554383}}^1$

素因数の和:554403

約数の個数: 48

約数和(自身を含む): 1837782960

約数和(自身を除く): 1199133744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 576, 1152, 554383, 1108766, 1663149, 2217532, 3326298, 4435064, 4989447, 6652596, 8870128, 9978894, 13305192, 17740256, 19957788, 26610384, 35480512, 39915576, 53220768, 70961024, 79831152, 106441536, 159662304, 212883072, 319324608, 638649216]

約数ペア:

[(1, 638649216), (2, 319324608), (3, 212883072), (4, 159662304), (6, 106441536), (8, 79831152), (9, 70961024), (12, 53220768), (16, 39915576), (18, 35480512), (24, 26610384), (32, 19957788), (36, 17740256), (48, 13305192), (64, 9978894), (72, 8870128), (96, 6652596), (128, 4989447), (144, 4435064), (192, 3326298), (288, 2217532), (384, 1663149), (576, 1108766), (1152, 554383)]