71497768

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{217981}}^1$

素因数の和:218028

約数の個数: 16

約数和(自身を含む): 137328660

約数和(自身を除く): 65830892

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 217981, 435962, 871924, 1743848, 8937221, 17874442, 35748884, 71497768]

約数ペア:

[(1, 71497768), (2, 35748884), (4, 17874442), (8, 8937221), (41, 1743848), (82, 871924), (164, 435962), (328, 217981)]