131247740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{504799}}^1$

素因数の和:504821

約数の個数: 24

約数和(自身を含む): 296822400

約数和(自身を除く): 165574660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 504799, 1009598, 2019196, 2523995, 5047990, 6562387, 10095980, 13124774, 26249548, 32811935, 65623870, 131247740]

約数ペア:

[(1, 131247740), (2, 65623870), (4, 32811935), (5, 26249548), (10, 13124774), (13, 10095980), (20, 6562387), (26, 5047990), (52, 2523995), (65, 2019196), (130, 1009598), (260, 504799)]