66761996

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{523}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 138034176

約数和(自身を除く): 71272180

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 97, 188, 194, 329, 388, 523, 658, 679, 1046, 1316, 1358, 2092, 2716, 3661, 4559, 7322, 9118, 14644, 18236, 24581, 31913, 49162, 50731, 63826, 98324, 101462, 127652, 172067, 202924, 344134, 355117, 688268, 710234, 1420468, 2384357, 4768714, 9537428, 16690499, 33380998, 66761996]

約数ペア:

[(1, 66761996), (2, 33380998), (4, 16690499), (7, 9537428), (14, 4768714), (28, 2384357), (47, 1420468), (94, 710234), (97, 688268), (188, 355117), (194, 344134), (329, 202924), (388, 172067), (523, 127652), (658, 101462), (679, 98324), (1046, 63826), (1316, 50731), (1358, 49162), (2092, 31913), (2716, 24581), (3661, 18236), (4559, 14644), (7322, 9118)]