257071052

素因数分解:

$2^2\times 7^2\times {\mathrm{571}}^1\times {\mathrm{2297}}^1$

素因数の和:2886

約数の個数: 36

約数和(自身を含む): 524467944

約数和(自身を除く): 267396892

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 571, 1142, 2284, 2297, 3997, 4594, 7994, 9188, 15988, 16079, 27979, 32158, 55958, 64316, 111916, 112553, 225106, 450212, 1311587, 2623174, 5246348, 9181109, 18362218, 36724436, 64267763, 128535526, 257071052]

約数ペア:

[(1, 257071052), (2, 128535526), (4, 64267763), (7, 36724436), (14, 18362218), (28, 9181109), (49, 5246348), (98, 2623174), (196, 1311587), (571, 450212), (1142, 225106), (2284, 112553), (2297, 111916), (3997, 64316), (4594, 55958), (7994, 32158), (9188, 27979), (15988, 16079)]