28957918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{18539}}^1$

素因数の和:18623

約数の個数: 16

約数和(自身を含む): 48055680

約数和(自身を除く): 19097762

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 18539, 37078, 203929, 407858, 1316269, 2632538, 14478959, 28957918]

約数ペア:

[(1, 28957918), (2, 14478959), (11, 2632538), (22, 1316269), (71, 407858), (142, 203929), (781, 37078), (1562, 18539)]