215856256

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^3\times {\mathrm{181}}^1$

素因数の和:235

約数の個数: 128

約数和(自身を含む): 543553920

約数和(自身を除く): 327697664

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 121, 128, 154, 176, 181, 224, 242, 308, 352, 362, 448, 484, 616, 704, 724, 847, 896, 968, 1232, 1267, 1331, 1408, 1448, 1694, 1936, 1991, 2464, 2534, 2662, 2896, 3388, 3872, 3982, 4928, 5068, 5324, 5792, 6776, 7744, 7964, 9317, 9856, 10136, 10648, 11584, 13552, 13937, 15488, 15928, 18634, 20272, 21296, 21901, 23168, 27104, 27874, 31856, 37268, 40544, 42592, 43802, 54208, 55748, 63712, 74536, 81088, 85184, 87604, 108416, 111496, 127424, 149072, 153307, 162176, 170368, 175208, 222992, 240911, 254848, 298144, 306614, 350416, 445984, 481822, 596288, 613228, 700832, 891968, 963644, 1192576, 1226456, 1401664, 1686377, 1783936, 1927288, 2452912, 2803328, 3372754, 3854576, 4905824, 6745508, 7709152, 9811648, 13491016, 15418304, 19623296, 26982032, 30836608, 53964064, 107928128, 215856256]

約数ペア:

[(1, 215856256), (2, 107928128), (4, 53964064), (7, 30836608), (8, 26982032), (11, 19623296), (14, 15418304), (16, 13491016), (22, 9811648), (28, 7709152), (32, 6745508), (44, 4905824), (56, 3854576), (64, 3372754), (77, 2803328), (88, 2452912), (112, 1927288), (121, 1783936), (128, 1686377), (154, 1401664), (176, 1226456), (181, 1192576), (224, 963644), (242, 891968), (308, 700832), (352, 613228), (362, 596288), (448, 481822), (484, 445984), (616, 350416), (704, 306614), (724, 298144), (847, 254848), (896, 240911), (968, 222992), (1232, 175208), (1267, 170368), (1331, 162176), (1408, 153307), (1448, 149072), (1694, 127424), (1936, 111496), (1991, 108416), (2464, 87604), (2534, 85184), (2662, 81088), (2896, 74536), (3388, 63712), (3872, 55748), (3982, 54208), (4928, 43802), (5068, 42592), (5324, 40544), (5792, 37268), (6776, 31856), (7744, 27874), (7964, 27104), (9317, 23168), (9856, 21901), (10136, 21296), (10648, 20272), (11584, 18634), (13552, 15928), (13937, 15488)]