66113404

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{16987}}^1$

素因数の和:17137

約数の個数: 24

約数和(自身を含む): 133185920

約数和(自身を除く): 67072516

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 16987, 33974, 67948, 118909, 237818, 475636, 2361193, 4722386, 9444772, 16528351, 33056702, 66113404]

約数ペア:

[(1, 66113404), (2, 33056702), (4, 16528351), (7, 9444772), (14, 4722386), (28, 2361193), (139, 475636), (278, 237818), (556, 118909), (973, 67948), (1946, 33974), (3892, 16987)]