28456057

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 33246720

約数和(自身を除く): 4790663

約数列:

[1, 7, 73, 233, 239, 511, 1631, 1673, 17009, 17447, 55687, 119063, 122129, 389809, 4065151, 28456057]

約数ペア:

[(1, 28456057), (7, 4065151), (73, 389809), (233, 122129), (239, 119063), (511, 55687), (1631, 17447), (1673, 17009)]