28689696

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:156

約数の個数: 216

約数和(自身を含む): 100835280

約数和(自身を除く): 72145584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 49, 56, 57, 63, 72, 76, 84, 96, 98, 107, 112, 114, 126, 133, 144, 147, 152, 168, 171, 196, 214, 224, 228, 252, 266, 288, 294, 304, 321, 336, 342, 392, 399, 428, 441, 456, 504, 532, 588, 608, 642, 672, 684, 749, 784, 798, 856, 882, 912, 931, 963, 1008, 1064, 1176, 1197, 1284, 1368, 1498, 1568, 1596, 1712, 1764, 1824, 1862, 1926, 2016, 2033, 2128, 2247, 2352, 2394, 2568, 2736, 2793, 2996, 3192, 3424, 3528, 3724, 3852, 4066, 4256, 4494, 4704, 4788, 5136, 5243, 5472, 5586, 5992, 6099, 6384, 6741, 7056, 7448, 7704, 8132, 8379, 8988, 9576, 10272, 10486, 11172, 11984, 12198, 12768, 13482, 14112, 14231, 14896, 15408, 15729, 16264, 16758, 17976, 18297, 19152, 20972, 22344, 23968, 24396, 26964, 28462, 29792, 30816, 31458, 32528, 33516, 35952, 36594, 38304, 41944, 42693, 44688, 47187, 48792, 53928, 56924, 62916, 65056, 67032, 71904, 73188, 83888, 85386, 89376, 94374, 97584, 99617, 107856, 113848, 125832, 128079, 134064, 146376, 167776, 170772, 188748, 195168, 199234, 215712, 227696, 251664, 256158, 268128, 292752, 298851, 341544, 377496, 398468, 455392, 503328, 512316, 585504, 597702, 683088, 754992, 796936, 896553, 1024632, 1195404, 1366176, 1509984, 1593872, 1793106, 2049264, 2390808, 3187744, 3586212, 4098528, 4781616, 7172424, 9563232, 14344848, 28689696]

約数ペア:

[(1, 28689696), (2, 14344848), (3, 9563232), (4, 7172424), (6, 4781616), (7, 4098528), (8, 3586212), (9, 3187744), (12, 2390808), (14, 2049264), (16, 1793106), (18, 1593872), (19, 1509984), (21, 1366176), (24, 1195404), (28, 1024632), (32, 896553), (36, 796936), (38, 754992), (42, 683088), (48, 597702), (49, 585504), (56, 512316), (57, 503328), (63, 455392), (72, 398468), (76, 377496), (84, 341544), (96, 298851), (98, 292752), (107, 268128), (112, 256158), (114, 251664), (126, 227696), (133, 215712), (144, 199234), (147, 195168), (152, 188748), (168, 170772), (171, 167776), (196, 146376), (214, 134064), (224, 128079), (228, 125832), (252, 113848), (266, 107856), (288, 99617), (294, 97584), (304, 94374), (321, 89376), (336, 85386), (342, 83888), (392, 73188), (399, 71904), (428, 67032), (441, 65056), (456, 62916), (504, 56924), (532, 53928), (588, 48792), (608, 47187), (642, 44688), (672, 42693), (684, 41944), (749, 38304), (784, 36594), (798, 35952), (856, 33516), (882, 32528), (912, 31458), (931, 30816), (963, 29792), (1008, 28462), (1064, 26964), (1176, 24396), (1197, 23968), (1284, 22344), (1368, 20972), (1498, 19152), (1568, 18297), (1596, 17976), (1712, 16758), (1764, 16264), (1824, 15729), (1862, 15408), (1926, 14896), (2016, 14231), (2033, 14112), (2128, 13482), (2247, 12768), (2352, 12198), (2394, 11984), (2568, 11172), (2736, 10486), (2793, 10272), (2996, 9576), (3192, 8988), (3424, 8379), (3528, 8132), (3724, 7704), (3852, 7448), (4066, 7056), (4256, 6741), (4494, 6384), (4704, 6099), (4788, 5992), (5136, 5586), (5243, 5472)]