209969078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{14843}}^1$

素因数の和:15499

約数の個数: 16

約数和(自身を含む): 344143296

約数和(自身を除く): 134174218

約数列:

[1, 2, 11, 22, 643, 1286, 7073, 14146, 14843, 29686, 163273, 326546, 9544049, 19088098, 104984539, 209969078]

約数ペア:

[(1, 209969078), (2, 104984539), (11, 19088098), (22, 9544049), (643, 326546), (1286, 163273), (7073, 29686), (14146, 14843)]