138443228

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:595

約数の個数: 72

約数和(自身を含む): 310166640

約数和(自身を除く): 171723412

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 157, 196, 308, 314, 409, 539, 628, 818, 1078, 1099, 1636, 1727, 2156, 2198, 2863, 3454, 4396, 4499, 5726, 6908, 7693, 8998, 11452, 12089, 15386, 17996, 20041, 24178, 30772, 31493, 40082, 48356, 62986, 64213, 80164, 84623, 125972, 128426, 169246, 220451, 256852, 338492, 440902, 449491, 706343, 881804, 898982, 1412686, 1797964, 2825372, 3146437, 4944401, 6292874, 9888802, 12585748, 19777604, 34610807, 69221614, 138443228]

約数ペア:

[(1, 138443228), (2, 69221614), (4, 34610807), (7, 19777604), (11, 12585748), (14, 9888802), (22, 6292874), (28, 4944401), (44, 3146437), (49, 2825372), (77, 1797964), (98, 1412686), (154, 898982), (157, 881804), (196, 706343), (308, 449491), (314, 440902), (409, 338492), (539, 256852), (628, 220451), (818, 169246), (1078, 128426), (1099, 125972), (1636, 84623), (1727, 80164), (2156, 64213), (2198, 62986), (2863, 48356), (3454, 40082), (4396, 31493), (4499, 30772), (5726, 24178), (6908, 20041), (7693, 17996), (8998, 15386), (11452, 12089)]