263891712

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:474

約数の個数: 144

約数和(自身を含む): 810012672

約数和(自身を除く): 546120960

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 191, 192, 224, 256, 257, 336, 382, 384, 448, 514, 573, 672, 764, 768, 771, 896, 1028, 1146, 1337, 1344, 1528, 1542, 1792, 1799, 2056, 2292, 2674, 2688, 3056, 3084, 3598, 4011, 4112, 4584, 5348, 5376, 5397, 6112, 6168, 7196, 8022, 8224, 9168, 10696, 10794, 12224, 12336, 14392, 16044, 16448, 18336, 21392, 21588, 24448, 24672, 28784, 32088, 32896, 36672, 42784, 43176, 48896, 49087, 49344, 57568, 64176, 65792, 73344, 85568, 86352, 98174, 98688, 115136, 128352, 146688, 147261, 171136, 172704, 196348, 197376, 230272, 256704, 294522, 342272, 343609, 345408, 392696, 460544, 513408, 589044, 687218, 690816, 785392, 1026816, 1030827, 1178088, 1374436, 1381632, 1570784, 2061654, 2356176, 2748872, 3141568, 4123308, 4712352, 5497744, 6283136, 8246616, 9424704, 10995488, 12566272, 16493232, 18849408, 21990976, 32986464, 37698816, 43981952, 65972928, 87963904, 131945856, 263891712]

約数ペア:

[(1, 263891712), (2, 131945856), (3, 87963904), (4, 65972928), (6, 43981952), (7, 37698816), (8, 32986464), (12, 21990976), (14, 18849408), (16, 16493232), (21, 12566272), (24, 10995488), (28, 9424704), (32, 8246616), (42, 6283136), (48, 5497744), (56, 4712352), (64, 4123308), (84, 3141568), (96, 2748872), (112, 2356176), (128, 2061654), (168, 1570784), (191, 1381632), (192, 1374436), (224, 1178088), (256, 1030827), (257, 1026816), (336, 785392), (382, 690816), (384, 687218), (448, 589044), (514, 513408), (573, 460544), (672, 392696), (764, 345408), (768, 343609), (771, 342272), (896, 294522), (1028, 256704), (1146, 230272), (1337, 197376), (1344, 196348), (1528, 172704), (1542, 171136), (1792, 147261), (1799, 146688), (2056, 128352), (2292, 115136), (2674, 98688), (2688, 98174), (3056, 86352), (3084, 85568), (3598, 73344), (4011, 65792), (4112, 64176), (4584, 57568), (5348, 49344), (5376, 49087), (5397, 48896), (6112, 43176), (6168, 42784), (7196, 36672), (8022, 32896), (8224, 32088), (9168, 28784), (10696, 24672), (10794, 24448), (12224, 21588), (12336, 21392), (14392, 18336), (16044, 16448)]