1638752256

素因数分解:

$2^{13}\times 3^3\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 224

約数和(自身を含む): 5032857600

約数和(自身を除く): 3394105344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 128, 144, 186, 192, 216, 239, 248, 256, 279, 288, 372, 384, 432, 478, 496, 512, 558, 576, 717, 744, 768, 837, 864, 956, 992, 1024, 1116, 1152, 1434, 1488, 1536, 1674, 1728, 1912, 1984, 2048, 2151, 2232, 2304, 2868, 2976, 3072, 3348, 3456, 3824, 3968, 4096, 4302, 4464, 4608, 5736, 5952, 6144, 6453, 6696, 6912, 7409, 7648, 7936, 8192, 8604, 8928, 9216, 11472, 11904, 12288, 12906, 13392, 13824, 14818, 15296, 15872, 17208, 17856, 18432, 22227, 22944, 23808, 24576, 25812, 26784, 27648, 29636, 30592, 31744, 34416, 35712, 36864, 44454, 45888, 47616, 51624, 53568, 55296, 59272, 61184, 63488, 66681, 68832, 71424, 73728, 88908, 91776, 95232, 103248, 107136, 110592, 118544, 122368, 126976, 133362, 137664, 142848, 177816, 183552, 190464, 200043, 206496, 214272, 221184, 237088, 244736, 253952, 266724, 275328, 285696, 355632, 367104, 380928, 400086, 412992, 428544, 474176, 489472, 533448, 550656, 571392, 711264, 734208, 761856, 800172, 825984, 857088, 948352, 978944, 1066896, 1101312, 1142784, 1422528, 1468416, 1600344, 1651968, 1714176, 1896704, 1957888, 2133792, 2202624, 2285568, 2845056, 2936832, 3200688, 3303936, 3428352, 3793408, 4267584, 4405248, 5690112, 5873664, 6401376, 6607872, 6856704, 7586816, 8535168, 8810496, 11380224, 12802752, 13215744, 15173632, 17070336, 17620992, 22760448, 25605504, 26431488, 30347264, 34140672, 45520896, 51211008, 52862976, 60694528, 68281344, 91041792, 102422016, 136562688, 182083584, 204844032, 273125376, 409688064, 546250752, 819376128, 1638752256]

約数ペア:

[(1, 1638752256), (2, 819376128), (3, 546250752), (4, 409688064), (6, 273125376), (8, 204844032), (9, 182083584), (12, 136562688), (16, 102422016), (18, 91041792), (24, 68281344), (27, 60694528), (31, 52862976), (32, 51211008), (36, 45520896), (48, 34140672), (54, 30347264), (62, 26431488), (64, 25605504), (72, 22760448), (93, 17620992), (96, 17070336), (108, 15173632), (124, 13215744), (128, 12802752), (144, 11380224), (186, 8810496), (192, 8535168), (216, 7586816), (239, 6856704), (248, 6607872), (256, 6401376), (279, 5873664), (288, 5690112), (372, 4405248), (384, 4267584), (432, 3793408), (478, 3428352), (496, 3303936), (512, 3200688), (558, 2936832), (576, 2845056), (717, 2285568), (744, 2202624), (768, 2133792), (837, 1957888), (864, 1896704), (956, 1714176), (992, 1651968), (1024, 1600344), (1116, 1468416), (1152, 1422528), (1434, 1142784), (1488, 1101312), (1536, 1066896), (1674, 978944), (1728, 948352), (1912, 857088), (1984, 825984), (2048, 800172), (2151, 761856), (2232, 734208), (2304, 711264), (2868, 571392), (2976, 550656), (3072, 533448), (3348, 489472), (3456, 474176), (3824, 428544), (3968, 412992), (4096, 400086), (4302, 380928), (4464, 367104), (4608, 355632), (5736, 285696), (5952, 275328), (6144, 266724), (6453, 253952), (6696, 244736), (6912, 237088), (7409, 221184), (7648, 214272), (7936, 206496), (8192, 200043), (8604, 190464), (8928, 183552), (9216, 177816), (11472, 142848), (11904, 137664), (12288, 133362), (12906, 126976), (13392, 122368), (13824, 118544), (14818, 110592), (15296, 107136), (15872, 103248), (17208, 95232), (17856, 91776), (18432, 88908), (22227, 73728), (22944, 71424), (23808, 68832), (24576, 66681), (25812, 63488), (26784, 61184), (27648, 59272), (29636, 55296), (30592, 53568), (31744, 51624), (34416, 47616), (35712, 45888), (36864, 44454)]