2161744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{547}}^1$

素因数の和:587

約数の個数: 40

約数和(自身を含む): 4756640

約数和(自身を除く): 2594896

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 547, 988, 1094, 1976, 2188, 3952, 4376, 7111, 8752, 10393, 14222, 20786, 28444, 41572, 56888, 83144, 113776, 135109, 166288, 270218, 540436, 1080872, 2161744]

約数ペア:

[(1, 2161744), (2, 1080872), (4, 540436), (8, 270218), (13, 166288), (16, 135109), (19, 113776), (26, 83144), (38, 56888), (52, 41572), (76, 28444), (104, 20786), (152, 14222), (208, 10393), (247, 8752), (304, 7111), (494, 4376), (547, 3952), (988, 2188), (1094, 1976)]