138973412

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{489343}}^1$

素因数の和:489418

約数の個数: 12

約数和(自身を含む): 246629376

約数和(自身を除く): 107655964

約数列:

[1, 2, 4, 71, 142, 284, 489343, 978686, 1957372, 34743353, 69486706, 138973412]

約数ペア:

[(1, 138973412), (2, 69486706), (4, 34743353), (71, 1957372), (142, 978686), (284, 489343)]