266937268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{36931}}^1$

素因数の和:37087

約数の個数: 24

約数和(自身を含む): 506707040

約数和(自身を除く): 239769772

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3614, 7228, 36931, 73862, 147724, 480103, 960206, 1920412, 5133409, 10266818, 20533636, 66734317, 133468634, 266937268]

約数ペア:

[(1, 266937268), (2, 133468634), (4, 66734317), (13, 20533636), (26, 10266818), (52, 5133409), (139, 1920412), (278, 960206), (556, 480103), (1807, 147724), (3614, 73862), (7228, 36931)]