25456732

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 54208000

約数和(自身を除く): 28751268

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 109, 133, 218, 266, 436, 439, 532, 763, 878, 1526, 1756, 2071, 3052, 3073, 4142, 6146, 8284, 8341, 12292, 14497, 16682, 28994, 33364, 47851, 57988, 58387, 95702, 116774, 191404, 233548, 334957, 669914, 909169, 1339828, 1818338, 3636676, 6364183, 12728366, 25456732]

約数ペア:

[(1, 25456732), (2, 12728366), (4, 6364183), (7, 3636676), (14, 1818338), (19, 1339828), (28, 909169), (38, 669914), (76, 334957), (109, 233548), (133, 191404), (218, 116774), (266, 95702), (436, 58387), (439, 57988), (532, 47851), (763, 33364), (878, 28994), (1526, 16682), (1756, 14497), (2071, 12292), (3052, 8341), (3073, 8284), (4142, 6146)]