280804792

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{35491}}^1$

素因数の和:35563

約数の個数: 32

約数和(自身を含む): 562193280

約数和(自身を除く): 281388488

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 3956, 7912, 35491, 70982, 141964, 283928, 816293, 1526113, 1632586, 3052226, 3265172, 6104452, 6530344, 12208904, 35100599, 70201198, 140402396, 280804792]

約数ペア:

[(1, 280804792), (2, 140402396), (4, 70201198), (8, 35100599), (23, 12208904), (43, 6530344), (46, 6104452), (86, 3265172), (92, 3052226), (172, 1632586), (184, 1526113), (344, 816293), (989, 283928), (1978, 141964), (3956, 70982), (7912, 35491)]