211399426

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{337}}^1$

素因数の和:563

約数の個数: 48

約数和(自身を含む): 382160376

約数和(自身を除く): 170760950

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 173, 259, 337, 346, 518, 674, 1211, 1813, 2359, 2422, 3626, 4718, 6401, 8477, 12469, 12802, 16513, 16954, 24938, 33026, 44807, 58301, 87283, 89614, 116602, 174566, 313649, 408107, 610981, 627298, 816214, 1221962, 2157137, 2856749, 4314274, 5713498, 15099959, 30199918, 105699713, 211399426]

約数ペア:

[(1, 211399426), (2, 105699713), (7, 30199918), (14, 15099959), (37, 5713498), (49, 4314274), (74, 2856749), (98, 2157137), (173, 1221962), (259, 816214), (337, 627298), (346, 610981), (518, 408107), (674, 313649), (1211, 174566), (1813, 116602), (2359, 89614), (2422, 87283), (3626, 58301), (4718, 44807), (6401, 33026), (8477, 24938), (12469, 16954), (12802, 16513)]