28189513

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1663}}^1$

素因数の和:1764

約数の個数: 16

約数和(自身を含む): 32587776

約数和(自身を除く): 4398263

約数列:

[1, 11, 23, 67, 253, 737, 1541, 1663, 16951, 18293, 38249, 111421, 420739, 1225631, 2562683, 28189513]

約数ペア:

[(1, 28189513), (11, 2562683), (23, 1225631), (67, 420739), (253, 111421), (737, 38249), (1541, 18293), (1663, 16951)]