57557215

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2221}}^1$

素因数の和:2370

約数の個数: 16

約数和(自身を含む): 71032896

約数和(自身を除く): 13475681

約数列:

[1, 5, 71, 73, 355, 365, 2221, 5183, 11105, 25915, 157691, 162133, 788455, 810665, 11511443, 57557215]

約数ペア:

[(1, 57557215), (5, 11511443), (71, 810665), (73, 788455), (355, 162133), (365, 157691), (2221, 25915), (5183, 11105)]