66687568

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{4139}}^1$

素因数の和:4219

約数の個数: 40

約数和(自身を含む): 138607200

約数和(自身を除く): 71919632

約数列:

[1, 2, 4, 8, 16, 19, 38, 53, 76, 106, 152, 212, 304, 424, 848, 1007, 2014, 4028, 4139, 8056, 8278, 16112, 16556, 33112, 66224, 78641, 157282, 219367, 314564, 438734, 629128, 877468, 1258256, 1754936, 3509872, 4167973, 8335946, 16671892, 33343784, 66687568]

約数ペア:

[(1, 66687568), (2, 33343784), (4, 16671892), (8, 8335946), (16, 4167973), (19, 3509872), (38, 1754936), (53, 1258256), (76, 877468), (106, 629128), (152, 438734), (212, 314564), (304, 219367), (424, 157282), (848, 78641), (1007, 66224), (2014, 33112), (4028, 16556), (4139, 16112), (8056, 8278)]