216940412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{4171931}}^1$

素因数の和:4171948

約数の個数: 12

約数和(自身を含む): 408849336

約数和(自身を除く): 191908924

約数列:

[1, 2, 4, 13, 26, 52, 4171931, 8343862, 16687724, 54235103, 108470206, 216940412]

約数ペア:

[(1, 216940412), (2, 108470206), (4, 54235103), (13, 16687724), (26, 8343862), (52, 4171931)]