217520856

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{293}}^1\times {\mathrm{491}}^1$

素因数の和:806

約数の個数: 128

約数和(自身を含む): 694310400

約数和(自身を除く): 476789544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 293, 378, 491, 504, 586, 756, 879, 982, 1172, 1473, 1512, 1758, 1964, 2051, 2344, 2637, 2946, 3437, 3516, 3928, 4102, 4419, 5274, 5892, 6153, 6874, 7032, 7911, 8204, 8838, 10311, 10548, 11784, 12306, 13257, 13748, 15822, 16408, 17676, 18459, 20622, 21096, 24612, 26514, 27496, 30933, 31644, 35352, 36918, 41244, 49224, 53028, 55377, 61866, 63288, 73836, 82488, 92799, 106056, 110754, 123732, 143863, 147672, 185598, 221508, 247464, 287726, 371196, 431589, 443016, 575452, 742392, 863178, 1007041, 1150904, 1294767, 1726356, 2014082, 2589534, 3021123, 3452712, 3884301, 4028164, 5179068, 6042246, 7768602, 8056328, 9063369, 10358136, 12084492, 15537204, 18126738, 24168984, 27190107, 31074408, 36253476, 54380214, 72506952, 108760428, 217520856]

約数ペア:

[(1, 217520856), (2, 108760428), (3, 72506952), (4, 54380214), (6, 36253476), (7, 31074408), (8, 27190107), (9, 24168984), (12, 18126738), (14, 15537204), (18, 12084492), (21, 10358136), (24, 9063369), (27, 8056328), (28, 7768602), (36, 6042246), (42, 5179068), (54, 4028164), (56, 3884301), (63, 3452712), (72, 3021123), (84, 2589534), (108, 2014082), (126, 1726356), (168, 1294767), (189, 1150904), (216, 1007041), (252, 863178), (293, 742392), (378, 575452), (491, 443016), (504, 431589), (586, 371196), (756, 287726), (879, 247464), (982, 221508), (1172, 185598), (1473, 147672), (1512, 143863), (1758, 123732), (1964, 110754), (2051, 106056), (2344, 92799), (2637, 82488), (2946, 73836), (3437, 63288), (3516, 61866), (3928, 55377), (4102, 53028), (4419, 49224), (5274, 41244), (5892, 36918), (6153, 35352), (6874, 31644), (7032, 30933), (7911, 27496), (8204, 26514), (8838, 24612), (10311, 21096), (10548, 20622), (11784, 18459), (12306, 17676), (13257, 16408), (13748, 15822)]