66143788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{16421}}^1$

素因数の和:16497

約数の個数: 24

約数和(自身を含む): 124150320

約数和(自身を除く): 58006532

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 16421, 32842, 65684, 311999, 623998, 870313, 1247996, 1740626, 3481252, 16535947, 33071894, 66143788]

約数ペア:

[(1, 66143788), (2, 33071894), (4, 16535947), (19, 3481252), (38, 1740626), (53, 1247996), (76, 870313), (106, 623998), (212, 311999), (1007, 65684), (2014, 32842), (4028, 16421)]