2031239

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:206

約数の個数: 16

約数和(自身を含む): 2428416

約数和(自身を除く): 397177

約数列:

[1, 7, 61, 67, 71, 427, 469, 497, 4087, 4331, 4757, 28609, 30317, 33299, 290177, 2031239]

約数ペア:

[(1, 2031239), (7, 290177), (61, 33299), (67, 30317), (71, 28609), (427, 4757), (469, 4331), (497, 4087)]