129915212

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107903}}^1$

素因数の和:107957

約数の個数: 24

約数和(自身を含む): 265875456

約数和(自身を除く): 135960244

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 107903, 215806, 431612, 755321, 1510642, 3021284, 4639829, 9279658, 18559316, 32478803, 64957606, 129915212]

約数ペア:

[(1, 129915212), (2, 64957606), (4, 32478803), (7, 18559316), (14, 9279658), (28, 4639829), (43, 3021284), (86, 1510642), (172, 755321), (301, 431612), (602, 215806), (1204, 107903)]