1293517510

素因数分解:

$2^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{195691}}^1$

素因数の和:196359

約数の個数: 16

約数和(自身を含む): 2331865872

約数和(自身を除く): 1038348362

約数列:

[1, 2, 5, 10, 661, 1322, 3305, 6610, 195691, 391382, 978455, 1956910, 129351751, 258703502, 646758755, 1293517510]

約数ペア:

[(1, 1293517510), (2, 646758755), (5, 258703502), (10, 129351751), (661, 1956910), (1322, 978455), (3305, 391382), (6610, 195691)]