207804916

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{429349}}^1$

素因数の和:429375

約数の個数: 18

約数和(自身を含む): 399724850

約数和(自身を除く): 191919934

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 429349, 858698, 1717396, 4722839, 9445678, 18891356, 51951229, 103902458, 207804916]

約数ペア:

[(1, 207804916), (2, 103902458), (4, 51951229), (11, 18891356), (22, 9445678), (44, 4722839), (121, 1717396), (242, 858698), (484, 429349)]