221511235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{85691}}^1$

素因数の和:85754

約数の個数: 16

約数和(自身を含む): 296151552

約数和(自身を除く): 74640317

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 85691, 428455, 942601, 4027477, 4713005, 20137385, 44302247, 221511235]

約数ペア:

[(1, 221511235), (5, 44302247), (11, 20137385), (47, 4713005), (55, 4027477), (235, 942601), (517, 428455), (2585, 85691)]