257297831

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{6007}}^1$

素因数の和:6254

約数の個数: 16

約数和(自身を含む): 305687040

約数和(自身を除く): 48389209

約数列:

[1, 7, 29, 203, 211, 1477, 6007, 6119, 42049, 42833, 174203, 1219421, 1267477, 8872339, 36756833, 257297831]

約数ペア:

[(1, 257297831), (7, 36756833), (29, 8872339), (203, 1267477), (211, 1219421), (1477, 174203), (6007, 42833), (6119, 42049)]