28264994

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{709}}^1$

素因数の和:1385

約数の個数: 16

約数和(自身を含む): 43895040

約数和(自身を除く): 15630046

約数列:

[1, 2, 31, 62, 643, 709, 1286, 1418, 19933, 21979, 39866, 43958, 455887, 911774, 14132497, 28264994]

約数ペア:

[(1, 28264994), (2, 14132497), (31, 911774), (62, 455887), (643, 43958), (709, 39866), (1286, 21979), (1418, 19933)]