201997519234

素因数分解:

$2^1\times 7^1\times {\mathrm{17921}}^1\times {\mathrm{805111}}^1$

素因数の和:823041

約数の個数: 16

約数和(自身を含む): 346301214336

約数和(自身を除く): 144303695102

約数列:

[1, 2, 7, 14, 17921, 35842, 125447, 250894, 805111, 1610222, 5635777, 11271554, 14428394231, 28856788462, 100998759617, 201997519234]

約数ペア:

[(1, 201997519234), (2, 100998759617), (7, 28856788462), (14, 14428394231), (17921, 11271554), (35842, 5635777), (125447, 1610222), (250894, 805111)]