25178164

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{52021}}^1$

素因数の和:52047

約数の個数: 18

約数和(自身を含む): 48432482

約数和(自身を除く): 23254318

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 52021, 104042, 208084, 572231, 1144462, 2288924, 6294541, 12589082, 25178164]

約数ペア:

[(1, 25178164), (2, 12589082), (4, 6294541), (11, 2288924), (22, 1144462), (44, 572231), (121, 208084), (242, 104042), (484, 52021)]