28857577

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{367}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 33914880

約数和(自身を除く): 5057303

約数列:

[1, 7, 47, 239, 329, 367, 1673, 2569, 11233, 17249, 78631, 87713, 120743, 613991, 4122511, 28857577]

約数ペア:

[(1, 28857577), (7, 4122511), (47, 613991), (239, 120743), (329, 87713), (367, 78631), (1673, 17249), (2569, 11233)]