639690633802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1\times {\mathrm{764999}}^1$

素因数の和:765402

約数の個数: 32

約数和(自身を含む): 1057536000000

約数和(自身を除く): 417845366198

約数列:

[1, 2, 11, 22, 191, 199, 382, 398, 2101, 2189, 4202, 4378, 38009, 76018, 418099, 764999, 836198, 1529998, 8414989, 16829978, 146114809, 152234801, 292229618, 304469602, 1607262899, 1674582811, 3214525798, 3349165622, 29076846991, 58153693982, 319845316901, 639690633802]

約数ペア:

[(1, 639690633802), (2, 319845316901), (11, 58153693982), (22, 29076846991), (191, 3349165622), (199, 3214525798), (382, 1674582811), (398, 1607262899), (2101, 304469602), (2189, 292229618), (4202, 152234801), (4378, 146114809), (38009, 16829978), (76018, 8414989), (418099, 1529998), (764999, 836198)]