28506544

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{161969}}^1$

素因数の和:161988

約数の個数: 20

約数和(自身を含む): 60252840

約数和(自身を除く): 31746296

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 161969, 323938, 647876, 1295752, 1781659, 2591504, 3563318, 7126636, 14253272, 28506544]

約数ペア:

[(1, 28506544), (2, 14253272), (4, 7126636), (8, 3563318), (11, 2591504), (16, 1781659), (22, 1295752), (44, 647876), (88, 323938), (176, 161969)]