2016520016

素因数分解:

$2^4\times 7^1\times {\mathrm{643}}^1\times {\mathrm{28001}}^1$

素因数の和:28659

約数の個数: 40

約数和(自身を含む): 4472255424

約数和(自身を除く): 2455735408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 643, 1286, 2572, 4501, 5144, 9002, 10288, 18004, 28001, 36008, 56002, 72016, 112004, 196007, 224008, 392014, 448016, 784028, 1568056, 3136112, 18004643, 36009286, 72018572, 126032501, 144037144, 252065002, 288074288, 504130004, 1008260008, 2016520016]

約数ペア:

[(1, 2016520016), (2, 1008260008), (4, 504130004), (7, 288074288), (8, 252065002), (14, 144037144), (16, 126032501), (28, 72018572), (56, 36009286), (112, 18004643), (643, 3136112), (1286, 1568056), (2572, 784028), (4501, 448016), (5144, 392014), (9002, 224008), (10288, 196007), (18004, 112004), (28001, 72016), (36008, 56002)]