28211810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{256471}}^1$

素因数の和:256489

約数の個数: 16

約数和(自身を含む): 55397952

約数和(自身を除く): 27186142

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 256471, 512942, 1282355, 2564710, 2821181, 5642362, 14105905, 28211810]

約数ペア:

[(1, 28211810), (2, 14105905), (5, 5642362), (10, 2821181), (11, 2564710), (22, 1282355), (55, 512942), (110, 256471)]