28557984

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{467}}^1$

素因数の和:507

約数の個数: 144

約数和(自身を含む): 94112928

約数和(自身を除く): 65554944

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 49, 52, 56, 78, 84, 91, 96, 98, 104, 112, 147, 156, 168, 182, 196, 208, 224, 273, 294, 312, 336, 364, 392, 416, 467, 546, 588, 624, 637, 672, 728, 784, 934, 1092, 1176, 1248, 1274, 1401, 1456, 1568, 1868, 1911, 2184, 2352, 2548, 2802, 2912, 3269, 3736, 3822, 4368, 4704, 5096, 5604, 6071, 6538, 7472, 7644, 8736, 9807, 10192, 11208, 12142, 13076, 14944, 15288, 18213, 19614, 20384, 22416, 22883, 24284, 26152, 30576, 36426, 39228, 42497, 44832, 45766, 48568, 52304, 61152, 68649, 72852, 78456, 84994, 91532, 97136, 104608, 127491, 137298, 145704, 156912, 169988, 183064, 194272, 254982, 274596, 291408, 297479, 313824, 339976, 366128, 509964, 549192, 582816, 594958, 679952, 732256, 892437, 1019928, 1098384, 1189916, 1359904, 1784874, 2039856, 2196768, 2379832, 3569748, 4079712, 4759664, 7139496, 9519328, 14278992, 28557984]

約数ペア:

[(1, 28557984), (2, 14278992), (3, 9519328), (4, 7139496), (6, 4759664), (7, 4079712), (8, 3569748), (12, 2379832), (13, 2196768), (14, 2039856), (16, 1784874), (21, 1359904), (24, 1189916), (26, 1098384), (28, 1019928), (32, 892437), (39, 732256), (42, 679952), (48, 594958), (49, 582816), (52, 549192), (56, 509964), (78, 366128), (84, 339976), (91, 313824), (96, 297479), (98, 291408), (104, 274596), (112, 254982), (147, 194272), (156, 183064), (168, 169988), (182, 156912), (196, 145704), (208, 137298), (224, 127491), (273, 104608), (294, 97136), (312, 91532), (336, 84994), (364, 78456), (392, 72852), (416, 68649), (467, 61152), (546, 52304), (588, 48568), (624, 45766), (637, 44832), (672, 42497), (728, 39228), (784, 36426), (934, 30576), (1092, 26152), (1176, 24284), (1248, 22883), (1274, 22416), (1401, 20384), (1456, 19614), (1568, 18213), (1868, 15288), (1911, 14944), (2184, 13076), (2352, 12142), (2548, 11208), (2802, 10192), (2912, 9807), (3269, 8736), (3736, 7644), (3822, 7472), (4368, 6538), (4704, 6071), (5096, 5604)]