248935775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{719}}^1\times {\mathrm{1259}}^1$

素因数の和:1999

約数の個数: 24

約数和(自身を含む): 337478400

約数和(自身を除く): 88542625

約数列:

[1, 5, 11, 25, 55, 275, 719, 1259, 3595, 6295, 7909, 13849, 17975, 31475, 39545, 69245, 197725, 346225, 905221, 4526105, 9957431, 22630525, 49787155, 248935775]

約数ペア:

[(1, 248935775), (5, 49787155), (11, 22630525), (25, 9957431), (55, 4526105), (275, 905221), (719, 346225), (1259, 197725), (3595, 69245), (6295, 39545), (7909, 31475), (13849, 17975)]