491781888

素因数分解:

$2^8\times 3^3\times {\mathrm{13}}^2\times {\mathrm{421}}^1$

素因数の和:472

約数の個数: 216

約数和(自身を含む): 1578499440

約数和(自身を除く): 1086717552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 128, 144, 156, 169, 192, 208, 216, 234, 256, 288, 312, 338, 351, 384, 416, 421, 432, 468, 507, 576, 624, 676, 702, 768, 832, 842, 864, 936, 1014, 1152, 1248, 1263, 1352, 1404, 1521, 1664, 1684, 1728, 1872, 2028, 2304, 2496, 2526, 2704, 2808, 3042, 3328, 3368, 3456, 3744, 3789, 4056, 4563, 4992, 5052, 5408, 5473, 5616, 6084, 6736, 6912, 7488, 7578, 8112, 9126, 9984, 10104, 10816, 10946, 11232, 11367, 12168, 13472, 14976, 15156, 16224, 16419, 18252, 20208, 21632, 21892, 22464, 22734, 24336, 26944, 29952, 30312, 32448, 32838, 36504, 40416, 43264, 43784, 44928, 45468, 48672, 49257, 53888, 60624, 64896, 65676, 71149, 73008, 80832, 87568, 89856, 90936, 97344, 98514, 107776, 121248, 129792, 131352, 142298, 146016, 147771, 161664, 175136, 181872, 194688, 197028, 213447, 242496, 262704, 284596, 292032, 295542, 323328, 350272, 363744, 389376, 394056, 426894, 484992, 525408, 569192, 584064, 591084, 640341, 700544, 727488, 788112, 853788, 969984, 1050816, 1138384, 1168128, 1182168, 1280682, 1401088, 1454976, 1576224, 1707576, 1921023, 2101632, 2276768, 2364336, 2561364, 2909952, 3152448, 3415152, 3842046, 4203264, 4553536, 4728672, 5122728, 6304896, 6830304, 7684092, 9107072, 9457344, 10245456, 12609792, 13660608, 15368184, 18214144, 18914688, 20490912, 27321216, 30736368, 37829376, 40981824, 54642432, 61472736, 81963648, 122945472, 163927296, 245890944, 491781888]

約数ペア:

[(1, 491781888), (2, 245890944), (3, 163927296), (4, 122945472), (6, 81963648), (8, 61472736), (9, 54642432), (12, 40981824), (13, 37829376), (16, 30736368), (18, 27321216), (24, 20490912), (26, 18914688), (27, 18214144), (32, 15368184), (36, 13660608), (39, 12609792), (48, 10245456), (52, 9457344), (54, 9107072), (64, 7684092), (72, 6830304), (78, 6304896), (96, 5122728), (104, 4728672), (108, 4553536), (117, 4203264), (128, 3842046), (144, 3415152), (156, 3152448), (169, 2909952), (192, 2561364), (208, 2364336), (216, 2276768), (234, 2101632), (256, 1921023), (288, 1707576), (312, 1576224), (338, 1454976), (351, 1401088), (384, 1280682), (416, 1182168), (421, 1168128), (432, 1138384), (468, 1050816), (507, 969984), (576, 853788), (624, 788112), (676, 727488), (702, 700544), (768, 640341), (832, 591084), (842, 584064), (864, 569192), (936, 525408), (1014, 484992), (1152, 426894), (1248, 394056), (1263, 389376), (1352, 363744), (1404, 350272), (1521, 323328), (1664, 295542), (1684, 292032), (1728, 284596), (1872, 262704), (2028, 242496), (2304, 213447), (2496, 197028), (2526, 194688), (2704, 181872), (2808, 175136), (3042, 161664), (3328, 147771), (3368, 146016), (3456, 142298), (3744, 131352), (3789, 129792), (4056, 121248), (4563, 107776), (4992, 98514), (5052, 97344), (5408, 90936), (5473, 89856), (5616, 87568), (6084, 80832), (6736, 73008), (6912, 71149), (7488, 65676), (7578, 64896), (8112, 60624), (9126, 53888), (9984, 49257), (10104, 48672), (10816, 45468), (10946, 44928), (11232, 43784), (11367, 43264), (12168, 40416), (13472, 36504), (14976, 32838), (15156, 32448), (16224, 30312), (16419, 29952), (18252, 26944), (20208, 24336), (21632, 22734), (21892, 22464)]