257004216

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{751}}^1$

素因数の和:874

約数の個数: 144

約数和(自身を含む): 819131040

約数和(自身を除く): 562126824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 97, 98, 126, 147, 168, 194, 196, 252, 291, 294, 388, 392, 441, 504, 582, 588, 679, 751, 776, 873, 882, 1164, 1176, 1358, 1502, 1746, 1764, 2037, 2253, 2328, 2716, 3004, 3492, 3528, 4074, 4506, 4753, 5257, 5432, 6008, 6111, 6759, 6984, 8148, 9012, 9506, 10514, 12222, 13518, 14259, 15771, 16296, 18024, 19012, 21028, 24444, 27036, 28518, 31542, 36799, 38024, 42056, 42777, 47313, 48888, 54072, 57036, 63084, 72847, 73598, 85554, 94626, 110397, 114072, 126168, 145694, 147196, 171108, 189252, 218541, 220794, 291388, 294392, 331191, 342216, 378504, 437082, 441588, 509929, 582776, 655623, 662382, 874164, 883176, 1019858, 1311246, 1324764, 1529787, 1748328, 2039716, 2622492, 2649528, 3059574, 3569503, 4079432, 4589361, 5244984, 6119148, 7139006, 9178722, 10708509, 12238296, 14278012, 18357444, 21417018, 28556024, 32125527, 36714888, 42834036, 64251054, 85668072, 128502108, 257004216]

約数ペア:

[(1, 257004216), (2, 128502108), (3, 85668072), (4, 64251054), (6, 42834036), (7, 36714888), (8, 32125527), (9, 28556024), (12, 21417018), (14, 18357444), (18, 14278012), (21, 12238296), (24, 10708509), (28, 9178722), (36, 7139006), (42, 6119148), (49, 5244984), (56, 4589361), (63, 4079432), (72, 3569503), (84, 3059574), (97, 2649528), (98, 2622492), (126, 2039716), (147, 1748328), (168, 1529787), (194, 1324764), (196, 1311246), (252, 1019858), (291, 883176), (294, 874164), (388, 662382), (392, 655623), (441, 582776), (504, 509929), (582, 441588), (588, 437082), (679, 378504), (751, 342216), (776, 331191), (873, 294392), (882, 291388), (1164, 220794), (1176, 218541), (1358, 189252), (1502, 171108), (1746, 147196), (1764, 145694), (2037, 126168), (2253, 114072), (2328, 110397), (2716, 94626), (3004, 85554), (3492, 73598), (3528, 72847), (4074, 63084), (4506, 57036), (4753, 54072), (5257, 48888), (5432, 47313), (6008, 42777), (6111, 42056), (6759, 38024), (6984, 36799), (8148, 31542), (9012, 28518), (9506, 27036), (10514, 24444), (12222, 21028), (13518, 19012), (14259, 18024), (15771, 16296)]