215856575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{5647}}^1$

素因数の和:5807

約数の個数: 24

約数和(自身を含む): 294147840

約数和(自身を除く): 78291265

約数列:

[1, 5, 11, 25, 55, 139, 275, 695, 1529, 3475, 5647, 7645, 28235, 38225, 62117, 141175, 310585, 784933, 1552925, 3924665, 8634263, 19623325, 43171315, 215856575]

約数ペア:

[(1, 215856575), (5, 43171315), (11, 19623325), (25, 8634263), (55, 3924665), (139, 1552925), (275, 784933), (695, 310585), (1529, 141175), (3475, 62117), (5647, 38225), (7645, 28235)]