81968768

素因数分解:

$2^7\times 7^3\times {\mathrm{1867}}^1$

素因数の和:1902

約数の個数: 64

約数和(自身を含む): 190536000

約数和(自身を除く): 108567232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 343, 392, 448, 686, 784, 896, 1372, 1568, 1867, 2744, 3136, 3734, 5488, 6272, 7468, 10976, 13069, 14936, 21952, 26138, 29872, 43904, 52276, 59744, 91483, 104552, 119488, 182966, 209104, 238976, 365932, 418208, 640381, 731864, 836416, 1280762, 1463728, 1672832, 2561524, 2927456, 5123048, 5854912, 10246096, 11709824, 20492192, 40984384, 81968768]

約数ペア:

[(1, 81968768), (2, 40984384), (4, 20492192), (7, 11709824), (8, 10246096), (14, 5854912), (16, 5123048), (28, 2927456), (32, 2561524), (49, 1672832), (56, 1463728), (64, 1280762), (98, 836416), (112, 731864), (128, 640381), (196, 418208), (224, 365932), (343, 238976), (392, 209104), (448, 182966), (686, 119488), (784, 104552), (896, 91483), (1372, 59744), (1568, 52276), (1867, 43904), (2744, 29872), (3136, 26138), (3734, 21952), (5488, 14936), (6272, 13069), (7468, 10976)]