213007816

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{461}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 471905280

約数和(自身を除く): 258897464

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 223, 259, 296, 446, 461, 518, 892, 922, 1036, 1561, 1784, 1844, 2072, 3122, 3227, 3688, 6244, 6454, 8251, 12488, 12908, 16502, 17057, 25816, 33004, 34114, 57757, 66008, 68228, 102803, 115514, 119399, 136456, 205606, 231028, 238798, 411212, 462056, 477596, 719621, 822424, 955192, 1439242, 2878484, 3803711, 5756968, 7607422, 15214844, 26625977, 30429688, 53251954, 106503908, 213007816]

約数ペア:

[(1, 213007816), (2, 106503908), (4, 53251954), (7, 30429688), (8, 26625977), (14, 15214844), (28, 7607422), (37, 5756968), (56, 3803711), (74, 2878484), (148, 1439242), (223, 955192), (259, 822424), (296, 719621), (446, 477596), (461, 462056), (518, 411212), (892, 238798), (922, 231028), (1036, 205606), (1561, 136456), (1784, 119399), (1844, 115514), (2072, 102803), (3122, 68228), (3227, 66008), (3688, 57757), (6244, 34114), (6454, 33004), (8251, 25816), (12488, 17057), (12908, 16502)]