27908986

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 50688000

約数和(自身を除く): 22779014

約数列:

[1, 2, 7, 14, 19, 38, 133, 239, 266, 439, 478, 878, 1673, 3073, 3346, 4541, 6146, 8341, 9082, 16682, 31787, 58387, 63574, 104921, 116774, 209842, 734447, 1468894, 1993499, 3986998, 13954493, 27908986]

約数ペア:

[(1, 27908986), (2, 13954493), (7, 3986998), (14, 1993499), (19, 1468894), (38, 734447), (133, 209842), (239, 116774), (266, 104921), (439, 63574), (478, 58387), (878, 31787), (1673, 16682), (3073, 9082), (3346, 8341), (4541, 6146)]