208716768

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:657

約数の個数: 144

約数和(自身を含む): 646407216

約数和(自身を除く): 437690448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 107, 117, 144, 156, 208, 214, 234, 288, 312, 321, 416, 428, 468, 521, 624, 642, 856, 936, 963, 1042, 1248, 1284, 1391, 1563, 1712, 1872, 1926, 2084, 2568, 2782, 3126, 3424, 3744, 3852, 4168, 4173, 4689, 5136, 5564, 6252, 6773, 7704, 8336, 8346, 9378, 10272, 11128, 12504, 12519, 13546, 15408, 16672, 16692, 18756, 20319, 22256, 25008, 25038, 27092, 30816, 33384, 37512, 40638, 44512, 50016, 50076, 54184, 55747, 60957, 66768, 75024, 81276, 100152, 108368, 111494, 121914, 133536, 150048, 162552, 167241, 200304, 216736, 222988, 243828, 325104, 334482, 400608, 445976, 487656, 501723, 650208, 668964, 724711, 891952, 975312, 1003446, 1337928, 1449422, 1783904, 1950624, 2006892, 2174133, 2675856, 2898844, 4013784, 4348266, 5351712, 5797688, 6522399, 8027568, 8696532, 11595376, 13044798, 16055136, 17393064, 23190752, 26089596, 34786128, 52179192, 69572256, 104358384, 208716768]

約数ペア:

[(1, 208716768), (2, 104358384), (3, 69572256), (4, 52179192), (6, 34786128), (8, 26089596), (9, 23190752), (12, 17393064), (13, 16055136), (16, 13044798), (18, 11595376), (24, 8696532), (26, 8027568), (32, 6522399), (36, 5797688), (39, 5351712), (48, 4348266), (52, 4013784), (72, 2898844), (78, 2675856), (96, 2174133), (104, 2006892), (107, 1950624), (117, 1783904), (144, 1449422), (156, 1337928), (208, 1003446), (214, 975312), (234, 891952), (288, 724711), (312, 668964), (321, 650208), (416, 501723), (428, 487656), (468, 445976), (521, 400608), (624, 334482), (642, 325104), (856, 243828), (936, 222988), (963, 216736), (1042, 200304), (1248, 167241), (1284, 162552), (1391, 150048), (1563, 133536), (1712, 121914), (1872, 111494), (1926, 108368), (2084, 100152), (2568, 81276), (2782, 75024), (3126, 66768), (3424, 60957), (3744, 55747), (3852, 54184), (4168, 50076), (4173, 50016), (4689, 44512), (5136, 40638), (5564, 37512), (6252, 33384), (6773, 30816), (7704, 27092), (8336, 25038), (8346, 25008), (9378, 22256), (10272, 20319), (11128, 18756), (12504, 16692), (12519, 16672), (13546, 15408)]