66991492

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{2729}}^1$

素因数の和:2788

約数の個数: 36

約数和(自身を含む): 131056380

約数和(自身を除く): 64064888

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 361, 646, 722, 1292, 1444, 2729, 5458, 6137, 10916, 12274, 24548, 46393, 51851, 92786, 103702, 185572, 207404, 881467, 985169, 1762934, 1970338, 3525868, 3940676, 16747873, 33495746, 66991492]

約数ペア:

[(1, 66991492), (2, 33495746), (4, 16747873), (17, 3940676), (19, 3525868), (34, 1970338), (38, 1762934), (68, 985169), (76, 881467), (323, 207404), (361, 185572), (646, 103702), (722, 92786), (1292, 51851), (1444, 46393), (2729, 24548), (5458, 12274), (6137, 10916)]