2019311

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:334

約数の個数: 16

約数和(自身を含む): 2488320

約数和(自身を除く): 469009

約数列:

[1, 7, 17, 71, 119, 239, 497, 1207, 1673, 4063, 8449, 16969, 28441, 118783, 288473, 2019311]

約数ペア:

[(1, 2019311), (7, 288473), (17, 118783), (71, 28441), (119, 16969), (239, 8449), (497, 4063), (1207, 1673)]