638307456

素因数分解:

$2^7\times 3^1\times {\mathrm{131}}^1\times {\mathrm{12689}}^1$

素因数の和:12837

約数の個数: 64

約数和(自身を含む): 1708581600

約数和(自身を除く): 1070274144

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 131, 192, 262, 384, 393, 524, 786, 1048, 1572, 2096, 3144, 4192, 6288, 8384, 12576, 12689, 16768, 25152, 25378, 38067, 50304, 50756, 76134, 101512, 152268, 203024, 304536, 406048, 609072, 812096, 1218144, 1624192, 1662259, 2436288, 3324518, 4872576, 4986777, 6649036, 9973554, 13298072, 19947108, 26596144, 39894216, 53192288, 79788432, 106384576, 159576864, 212769152, 319153728, 638307456]

約数ペア:

[(1, 638307456), (2, 319153728), (3, 212769152), (4, 159576864), (6, 106384576), (8, 79788432), (12, 53192288), (16, 39894216), (24, 26596144), (32, 19947108), (48, 13298072), (64, 9973554), (96, 6649036), (128, 4986777), (131, 4872576), (192, 3324518), (262, 2436288), (384, 1662259), (393, 1624192), (524, 1218144), (786, 812096), (1048, 609072), (1572, 406048), (2096, 304536), (3144, 203024), (4192, 152268), (6288, 101512), (8384, 76134), (12576, 50756), (12689, 50304), (16768, 38067), (25152, 25378)]