664285424

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{1913}}^1\times {\mathrm{1973}}^1$

素因数の和:3905

約数の個数: 40

約数和(自身を含む): 1405503792

約数和(自身を除く): 741218368

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 1913, 1973, 3826, 3946, 7652, 7892, 15304, 15784, 21043, 21703, 30608, 31568, 42086, 43406, 84172, 86812, 168344, 173624, 336688, 347248, 3774349, 7548698, 15097396, 30194792, 41517839, 60389584, 83035678, 166071356, 332142712, 664285424]

約数ペア:

[(1, 664285424), (2, 332142712), (4, 166071356), (8, 83035678), (11, 60389584), (16, 41517839), (22, 30194792), (44, 15097396), (88, 7548698), (176, 3774349), (1913, 347248), (1973, 336688), (3826, 173624), (3946, 168344), (7652, 86812), (7892, 84172), (15304, 43406), (15784, 42086), (21043, 31568), (21703, 30608)]