9988894210

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1093}}^1\times {\mathrm{5821}}^1$

素因数の和:7078

約数の個数: 32

約数和(自身を含む): 18114198192

約数和(自身を除く): 8125303982

約数列:

[1, 2, 5, 10, 157, 314, 785, 1093, 1570, 2186, 5465, 5821, 10930, 11642, 29105, 58210, 171601, 343202, 858005, 913897, 1716010, 1827794, 4569485, 6362353, 9138970, 12724706, 31811765, 63623530, 998889421, 1997778842, 4994447105, 9988894210]

約数ペア:

[(1, 9988894210), (2, 4994447105), (5, 1997778842), (10, 998889421), (157, 63623530), (314, 31811765), (785, 12724706), (1093, 9138970), (1570, 6362353), (2186, 4569485), (5465, 1827794), (5821, 1716010), (10930, 913897), (11642, 858005), (29105, 343202), (58210, 171601)]