139240514

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{1103}}^1$

素因数の和:1310

約数の個数: 32

約数和(自身を含む): 244187136

約数和(自身を除く): 104946622

約数列:

[1, 2, 7, 14, 71, 127, 142, 254, 497, 889, 994, 1103, 1778, 2206, 7721, 9017, 15442, 18034, 63119, 78313, 126238, 140081, 156626, 280162, 548191, 980567, 1096382, 1961134, 9945751, 19891502, 69620257, 139240514]

約数ペア:

[(1, 139240514), (2, 69620257), (7, 19891502), (14, 9945751), (71, 1961134), (127, 1096382), (142, 980567), (254, 548191), (497, 280162), (889, 156626), (994, 140081), (1103, 126238), (1778, 78313), (2206, 63119), (7721, 18034), (9017, 15442)]