206209458

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 144

約数和(自身を含む): 572539968

約数和(自身を除く): 366330510

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 31, 39, 42, 62, 63, 78, 91, 93, 117, 126, 131, 182, 186, 217, 234, 262, 273, 279, 393, 403, 434, 546, 558, 651, 786, 806, 819, 917, 961, 1179, 1209, 1302, 1638, 1703, 1834, 1922, 1953, 2358, 2418, 2751, 2821, 2883, 3406, 3627, 3906, 4061, 5109, 5502, 5642, 5766, 6727, 7254, 8122, 8253, 8463, 8649, 10218, 11921, 12183, 12493, 13454, 15327, 16506, 16926, 17298, 20181, 23842, 24366, 24986, 25389, 28427, 30654, 35763, 36549, 37479, 40362, 50778, 52793, 56854, 60543, 71526, 73098, 74958, 85281, 87451, 105586, 107289, 112437, 121086, 125891, 158379, 170562, 174902, 214578, 224874, 251782, 255843, 262353, 316758, 369551, 377673, 475137, 511686, 524706, 739102, 755346, 787059, 881237, 950274, 1108653, 1133019, 1574118, 1636583, 1762474, 2217306, 2266038, 2643711, 3273166, 3325959, 4909749, 5287422, 6651918, 7931133, 9819498, 11456081, 14729247, 15862266, 22912162, 29458494, 34368243, 68736486, 103104729, 206209458]

約数ペア:

[(1, 206209458), (2, 103104729), (3, 68736486), (6, 34368243), (7, 29458494), (9, 22912162), (13, 15862266), (14, 14729247), (18, 11456081), (21, 9819498), (26, 7931133), (31, 6651918), (39, 5287422), (42, 4909749), (62, 3325959), (63, 3273166), (78, 2643711), (91, 2266038), (93, 2217306), (117, 1762474), (126, 1636583), (131, 1574118), (182, 1133019), (186, 1108653), (217, 950274), (234, 881237), (262, 787059), (273, 755346), (279, 739102), (393, 524706), (403, 511686), (434, 475137), (546, 377673), (558, 369551), (651, 316758), (786, 262353), (806, 255843), (819, 251782), (917, 224874), (961, 214578), (1179, 174902), (1209, 170562), (1302, 158379), (1638, 125891), (1703, 121086), (1834, 112437), (1922, 107289), (1953, 105586), (2358, 87451), (2418, 85281), (2751, 74958), (2821, 73098), (2883, 71526), (3406, 60543), (3627, 56854), (3906, 52793), (4061, 50778), (5109, 40362), (5502, 37479), (5642, 36549), (5766, 35763), (6727, 30654), (7254, 28427), (8122, 25389), (8253, 24986), (8463, 24366), (8649, 23842), (10218, 20181), (11921, 17298), (12183, 16926), (12493, 16506), (13454, 15327)]