257754

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:67

約数の個数: 48

約数和(自身を含む): 658368

約数和(自身を除く): 400614

約数列:

[1, 2, 3, 6, 7, 14, 17, 19, 21, 34, 38, 42, 51, 57, 102, 114, 119, 133, 238, 266, 323, 357, 361, 399, 646, 714, 722, 798, 969, 1083, 1938, 2166, 2261, 2527, 4522, 5054, 6137, 6783, 7581, 12274, 13566, 15162, 18411, 36822, 42959, 85918, 128877, 257754]

約数ペア:

[(1, 257754), (2, 128877), (3, 85918), (6, 42959), (7, 36822), (14, 18411), (17, 15162), (19, 13566), (21, 12274), (34, 7581), (38, 6783), (42, 6137), (51, 5054), (57, 4522), (102, 2527), (114, 2261), (119, 2166), (133, 1938), (238, 1083), (266, 969), (323, 798), (357, 722), (361, 714), (399, 646)]