644021504

素因数分解:

$2^8\times 7^2\times {\mathrm{51341}}^1$

素因数の和:51371

約数の個数: 54

約数和(自身を含む): 1495438434

約数和(自身を除く): 851416930

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1792, 3136, 6272, 12544, 51341, 102682, 205364, 359387, 410728, 718774, 821456, 1437548, 1642912, 2515709, 2875096, 3285824, 5031418, 5750192, 6571648, 10062836, 11500384, 13143296, 20125672, 23000768, 40251344, 46001536, 80502688, 92003072, 161005376, 322010752, 644021504]

約数ペア:

[(1, 644021504), (2, 322010752), (4, 161005376), (7, 92003072), (8, 80502688), (14, 46001536), (16, 40251344), (28, 23000768), (32, 20125672), (49, 13143296), (56, 11500384), (64, 10062836), (98, 6571648), (112, 5750192), (128, 5031418), (196, 3285824), (224, 2875096), (256, 2515709), (392, 1642912), (448, 1437548), (784, 821456), (896, 718774), (1568, 410728), (1792, 359387), (3136, 205364), (6272, 102682), (12544, 51341)]