78649168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3469}}^1$

素因数の和:3599

約数の個数: 40

約数和(自身を含む): 165657800

約数和(自身を除く): 87008632

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 872, 1417, 1744, 2834, 3469, 5668, 6938, 11336, 13876, 22672, 27752, 45097, 55504, 90194, 180388, 360776, 378121, 721552, 756242, 1512484, 3024968, 4915573, 6049936, 9831146, 19662292, 39324584, 78649168]

約数ペア:

[(1, 78649168), (2, 39324584), (4, 19662292), (8, 9831146), (13, 6049936), (16, 4915573), (26, 3024968), (52, 1512484), (104, 756242), (109, 721552), (208, 378121), (218, 360776), (436, 180388), (872, 90194), (1417, 55504), (1744, 45097), (2834, 27752), (3469, 22672), (5668, 13876), (6938, 11336)]