289881427

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{1553}}^1$

素因数の和:1874

約数の個数: 16

約数和(自身を含む): 322237440

約数和(自身を除く): 32356013

約数列:

[1, 11, 71, 239, 781, 1553, 2629, 16969, 17083, 110263, 186659, 371167, 1212893, 4082837, 26352857, 289881427]

約数ペア:

[(1, 289881427), (11, 26352857), (71, 4082837), (239, 1212893), (781, 371167), (1553, 186659), (2629, 110263), (16969, 17083)]