321123456

素因数分解:

$2^7\times 3^2\times {\mathrm{278753}}^1$

素因数の和:278773

約数の個数: 48

約数和(自身を含む): 924069510

約数和(自身を除く): 602946054

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, 278753, 557506, 836259, 1115012, 1672518, 2230024, 2508777, 3345036, 4460048, 5017554, 6690072, 8920096, 10035108, 13380144, 17840192, 20070216, 26760288, 35680384, 40140432, 53520576, 80280864, 107041152, 160561728, 321123456]

約数ペア:

[(1, 321123456), (2, 160561728), (3, 107041152), (4, 80280864), (6, 53520576), (8, 40140432), (9, 35680384), (12, 26760288), (16, 20070216), (18, 17840192), (24, 13380144), (32, 10035108), (36, 8920096), (48, 6690072), (64, 5017554), (72, 4460048), (96, 3345036), (128, 2508777), (144, 2230024), (192, 1672518), (288, 1115012), (384, 836259), (576, 557506), (1152, 278753)]