12990770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99929}}^1$

素因数の和:99949

約数の個数: 16

約数和(自身を含む): 25182360

約数和(自身を除く): 12191590

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 99929, 199858, 499645, 999290, 1299077, 2598154, 6495385, 12990770]

約数ペア:

[(1, 12990770), (2, 6495385), (5, 2598154), (10, 1299077), (13, 999290), (26, 499645), (65, 199858), (130, 99929)]