189123456

素因数分解:

$2^7\times 3^1\times {\mathrm{157}}^1\times {\mathrm{3137}}^1$

素因数の和:3311

約数の個数: 64

約数和(自身を含む): 505720080

約数和(自身を除く): 316596624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 157, 192, 314, 384, 471, 628, 942, 1256, 1884, 2512, 3137, 3768, 5024, 6274, 7536, 9411, 10048, 12548, 15072, 18822, 20096, 25096, 30144, 37644, 50192, 60288, 75288, 100384, 150576, 200768, 301152, 401536, 492509, 602304, 985018, 1204608, 1477527, 1970036, 2955054, 3940072, 5910108, 7880144, 11820216, 15760288, 23640432, 31520576, 47280864, 63041152, 94561728, 189123456]

約数ペア:

[(1, 189123456), (2, 94561728), (3, 63041152), (4, 47280864), (6, 31520576), (8, 23640432), (12, 15760288), (16, 11820216), (24, 7880144), (32, 5910108), (48, 3940072), (64, 2955054), (96, 1970036), (128, 1477527), (157, 1204608), (192, 985018), (314, 602304), (384, 492509), (471, 401536), (628, 301152), (942, 200768), (1256, 150576), (1884, 100384), (2512, 75288), (3137, 60288), (3768, 50192), (5024, 37644), (6274, 30144), (7536, 25096), (9411, 20096), (10048, 18822), (12548, 15072)]