66286780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{473477}}^1$

素因数の和:473493

約数の個数: 24

約数和(自身を含む): 159088608

約数和(自身を除く): 92801828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 473477, 946954, 1893908, 2367385, 3314339, 4734770, 6628678, 9469540, 13257356, 16571695, 33143390, 66286780]

約数ペア:

[(1, 66286780), (2, 33143390), (4, 16571695), (5, 13257356), (7, 9469540), (10, 6628678), (14, 4734770), (20, 3314339), (28, 2367385), (35, 1893908), (70, 946954), (140, 473477)]