154885225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{563219}}^1$

素因数の和:563240

約数の個数: 12

約数和(自身を含む): 209517840

約数和(自身を除く): 54632615

約数列:

[1, 5, 11, 25, 55, 275, 563219, 2816095, 6195409, 14080475, 30977045, 154885225]

約数ペア:

[(1, 154885225), (5, 30977045), (11, 14080475), (25, 6195409), (55, 2816095), (275, 563219)]