11981984

素因数分解:

$2^5\times 7^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 27216000

約数和(自身を除く): 15234016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 149, 224, 298, 359, 596, 718, 1043, 1192, 1436, 2086, 2384, 2513, 2872, 4172, 4768, 5026, 5744, 8344, 10052, 11488, 16688, 20104, 33376, 40208, 53491, 80416, 106982, 213964, 374437, 427928, 748874, 855856, 1497748, 1711712, 2995496, 5990992, 11981984]

約数ペア:

[(1, 11981984), (2, 5990992), (4, 2995496), (7, 1711712), (8, 1497748), (14, 855856), (16, 748874), (28, 427928), (32, 374437), (56, 213964), (112, 106982), (149, 80416), (224, 53491), (298, 40208), (359, 33376), (596, 20104), (718, 16688), (1043, 11488), (1192, 10052), (1436, 8344), (2086, 5744), (2384, 5026), (2513, 4768), (2872, 4172)]