51377872

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^2$

素因数の和:177

約数の個数: 90

約数和(自身を含む): 126485394

約数和(自身を除く): 75107522

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 71, 91, 98, 104, 112, 142, 182, 196, 208, 284, 364, 392, 497, 568, 637, 728, 784, 923, 994, 1136, 1274, 1456, 1846, 1988, 2548, 3479, 3692, 3976, 5041, 5096, 6461, 6958, 7384, 7952, 10082, 10192, 12922, 13916, 14768, 20164, 25844, 27832, 35287, 40328, 45227, 51688, 55664, 65533, 70574, 80656, 90454, 103376, 131066, 141148, 180908, 247009, 262132, 282296, 361816, 458731, 494018, 524264, 564592, 723632, 917462, 988036, 1048528, 1834924, 1976072, 3211117, 3669848, 3952144, 6422234, 7339696, 12844468, 25688936, 51377872]

約数ペア:

[(1, 51377872), (2, 25688936), (4, 12844468), (7, 7339696), (8, 6422234), (13, 3952144), (14, 3669848), (16, 3211117), (26, 1976072), (28, 1834924), (49, 1048528), (52, 988036), (56, 917462), (71, 723632), (91, 564592), (98, 524264), (104, 494018), (112, 458731), (142, 361816), (182, 282296), (196, 262132), (208, 247009), (284, 180908), (364, 141148), (392, 131066), (497, 103376), (568, 90454), (637, 80656), (728, 70574), (784, 65533), (923, 55664), (994, 51688), (1136, 45227), (1274, 40328), (1456, 35287), (1846, 27832), (1988, 25844), (2548, 20164), (3479, 14768), (3692, 13916), (3976, 12922), (5041, 10192), (5096, 10082), (6461, 7952), (6958, 7384)]