208535811

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 334886400

約数和(自身を除く): 126350589

約数列:

[1, 3, 11, 19, 33, 37, 57, 89, 101, 111, 209, 267, 303, 407, 627, 703, 979, 1111, 1221, 1691, 1919, 2109, 2937, 3293, 3333, 3737, 5073, 5757, 7733, 8989, 9879, 11211, 18601, 21109, 23199, 26967, 36223, 41107, 55803, 62567, 63327, 71003, 98879, 108669, 123321, 170791, 187701, 213009, 296637, 332593, 512373, 688237, 781033, 997779, 1878701, 2064711, 2343099, 3658523, 5636103, 6319267, 10975569, 18957801, 69511937, 208535811]

約数ペア:

[(1, 208535811), (3, 69511937), (11, 18957801), (19, 10975569), (33, 6319267), (37, 5636103), (57, 3658523), (89, 2343099), (101, 2064711), (111, 1878701), (209, 997779), (267, 781033), (303, 688237), (407, 512373), (627, 332593), (703, 296637), (979, 213009), (1111, 187701), (1221, 170791), (1691, 123321), (1919, 108669), (2109, 98879), (2937, 71003), (3293, 63327), (3333, 62567), (3737, 55803), (5073, 41107), (5757, 36223), (7733, 26967), (8989, 23199), (9879, 21109), (11211, 18601)]