645620844708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{2561987479}}^1$

素因数の和:2561987496

約数の個数: 36

約数和(自身を含む): 1865126885440

約数和(自身を除く): 1219506040732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 2561987479, 5123974958, 7685962437, 10247949916, 15371924874, 17933912353, 23057887311, 30743849748, 35867824706, 46115774622, 53801737059, 71735649412, 92231549244, 107603474118, 161405211177, 215206948236, 322810422354, 645620844708]

約数ペア:

[(1, 645620844708), (2, 322810422354), (3, 215206948236), (4, 161405211177), (6, 107603474118), (7, 92231549244), (9, 71735649412), (12, 53801737059), (14, 46115774622), (18, 35867824706), (21, 30743849748), (28, 23057887311), (36, 17933912353), (42, 15371924874), (63, 10247949916), (84, 7685962437), (126, 5123974958), (252, 2561987479)]