208511394

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:280

約数の個数: 128

約数和(自身を含む): 539492352

約数和(自身を除く): 330980958

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 42, 62, 78, 91, 93, 97, 127, 182, 186, 194, 217, 254, 273, 291, 381, 403, 434, 546, 582, 651, 679, 762, 806, 889, 1209, 1261, 1302, 1358, 1651, 1778, 2037, 2418, 2522, 2667, 2821, 3007, 3302, 3783, 3937, 4074, 4953, 5334, 5642, 6014, 7566, 7874, 8463, 8827, 9021, 9906, 11557, 11811, 12319, 16926, 17654, 18042, 21049, 23114, 23622, 24638, 26481, 27559, 34671, 36957, 39091, 42098, 51181, 52962, 55118, 63147, 69342, 73914, 78182, 82677, 86233, 102362, 117273, 126294, 153543, 160147, 165354, 172466, 234546, 258699, 273637, 307086, 320294, 358267, 381889, 480441, 517398, 547274, 716534, 763778, 820911, 960882, 1074801, 1121029, 1145667, 1641822, 2149602, 2242058, 2291334, 2673223, 3363087, 4964557, 5346446, 6726174, 8019669, 9929114, 14893671, 16039338, 29787342, 34751899, 69503798, 104255697, 208511394]

約数ペア:

[(1, 208511394), (2, 104255697), (3, 69503798), (6, 34751899), (7, 29787342), (13, 16039338), (14, 14893671), (21, 9929114), (26, 8019669), (31, 6726174), (39, 5346446), (42, 4964557), (62, 3363087), (78, 2673223), (91, 2291334), (93, 2242058), (97, 2149602), (127, 1641822), (182, 1145667), (186, 1121029), (194, 1074801), (217, 960882), (254, 820911), (273, 763778), (291, 716534), (381, 547274), (403, 517398), (434, 480441), (546, 381889), (582, 358267), (651, 320294), (679, 307086), (762, 273637), (806, 258699), (889, 234546), (1209, 172466), (1261, 165354), (1302, 160147), (1358, 153543), (1651, 126294), (1778, 117273), (2037, 102362), (2418, 86233), (2522, 82677), (2667, 78182), (2821, 73914), (3007, 69342), (3302, 63147), (3783, 55118), (3937, 52962), (4074, 51181), (4953, 42098), (5334, 39091), (5642, 36957), (6014, 34671), (7566, 27559), (7874, 26481), (8463, 24638), (8827, 23622), (9021, 23114), (9906, 21049), (11557, 18042), (11811, 17654), (12319, 16926)]