66720514

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{250829}}^1$

素因数の和:250857

約数の個数: 16

約数和(自身を含む): 120398400

約数和(自身を除く): 53677886

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 250829, 501658, 1755803, 3511606, 4765751, 9531502, 33360257, 66720514]

約数ペア:

[(1, 66720514), (2, 33360257), (7, 9531502), (14, 4765751), (19, 3511606), (38, 1755803), (133, 501658), (266, 250829)]