388045268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{18797}}^1$

素因数の和:19211

約数の個数: 24

約数和(自身を含む): 733197192

約数和(自身を除く): 345151924

約数列:

[1, 2, 4, 13, 26, 52, 397, 794, 1588, 5161, 10322, 18797, 20644, 37594, 75188, 244361, 488722, 977444, 7462409, 14924818, 29849636, 97011317, 194022634, 388045268]

約数ペア:

[(1, 388045268), (2, 194022634), (4, 97011317), (13, 29849636), (26, 14924818), (52, 7462409), (397, 977444), (794, 488722), (1588, 244361), (5161, 75188), (10322, 37594), (18797, 20644)]