257017962

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{823}}^1$

素因数の和:955

約数の個数: 64

約数和(自身を含む): 561954816

約数和(自身を除く): 304936854

約数列:

[1, 2, 3, 6, 23, 31, 46, 62, 69, 73, 93, 138, 146, 186, 219, 438, 713, 823, 1426, 1646, 1679, 2139, 2263, 2469, 3358, 4278, 4526, 4938, 5037, 6789, 10074, 13578, 18929, 25513, 37858, 51026, 52049, 56787, 60079, 76539, 104098, 113574, 120158, 153078, 156147, 180237, 312294, 360474, 586799, 1173598, 1381817, 1760397, 1862449, 2763634, 3520794, 3724898, 4145451, 5587347, 8290902, 11174694, 42836327, 85672654, 128508981, 257017962]

約数ペア:

[(1, 257017962), (2, 128508981), (3, 85672654), (6, 42836327), (23, 11174694), (31, 8290902), (46, 5587347), (62, 4145451), (69, 3724898), (73, 3520794), (93, 2763634), (138, 1862449), (146, 1760397), (186, 1381817), (219, 1173598), (438, 586799), (713, 360474), (823, 312294), (1426, 180237), (1646, 156147), (1679, 153078), (2139, 120158), (2263, 113574), (2469, 104098), (3358, 76539), (4278, 60079), (4526, 56787), (4938, 52049), (5037, 51026), (6789, 37858), (10074, 25513), (13578, 18929)]