217854546

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:328

約数の個数: 128

約数和(自身を含む): 565297152

約数和(自身を除く): 347442606

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 61, 62, 78, 91, 93, 122, 182, 183, 186, 211, 217, 273, 366, 403, 422, 427, 434, 546, 633, 651, 793, 806, 854, 1209, 1266, 1281, 1302, 1477, 1586, 1891, 2379, 2418, 2562, 2743, 2821, 2954, 3782, 4431, 4758, 5486, 5551, 5642, 5673, 6541, 8229, 8463, 8862, 11102, 11346, 12871, 13082, 13237, 16458, 16653, 16926, 19201, 19623, 24583, 25742, 26474, 33306, 38402, 38613, 39246, 39711, 45787, 49166, 57603, 73749, 77226, 79422, 85033, 90097, 91574, 115206, 137361, 147498, 167323, 170066, 172081, 180194, 255099, 270291, 274722, 334646, 344162, 399001, 501969, 510198, 516243, 540582, 595231, 798002, 1003938, 1032486, 1171261, 1190462, 1197003, 1785693, 2342522, 2394006, 2793007, 3513783, 3571386, 5187013, 5586014, 7027566, 8379021, 10374026, 15561039, 16758042, 31122078, 36309091, 72618182, 108927273, 217854546]

約数ペア:

[(1, 217854546), (2, 108927273), (3, 72618182), (6, 36309091), (7, 31122078), (13, 16758042), (14, 15561039), (21, 10374026), (26, 8379021), (31, 7027566), (39, 5586014), (42, 5187013), (61, 3571386), (62, 3513783), (78, 2793007), (91, 2394006), (93, 2342522), (122, 1785693), (182, 1197003), (183, 1190462), (186, 1171261), (211, 1032486), (217, 1003938), (273, 798002), (366, 595231), (403, 540582), (422, 516243), (427, 510198), (434, 501969), (546, 399001), (633, 344162), (651, 334646), (793, 274722), (806, 270291), (854, 255099), (1209, 180194), (1266, 172081), (1281, 170066), (1302, 167323), (1477, 147498), (1586, 137361), (1891, 115206), (2379, 91574), (2418, 90097), (2562, 85033), (2743, 79422), (2821, 77226), (2954, 73749), (3782, 57603), (4431, 49166), (4758, 45787), (5486, 39711), (5551, 39246), (5642, 38613), (5673, 38402), (6541, 33306), (8229, 26474), (8463, 25742), (8862, 24583), (11102, 19623), (11346, 19201), (12871, 16926), (13082, 16653), (13237, 16458)]