208434579

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4297}}^1$

素因数の和:4379

約数の個数: 32

約数和(自身を含む): 313582080

約数和(自身を除く): 105147501

約数列:

[1, 3, 19, 23, 37, 57, 69, 111, 437, 703, 851, 1311, 2109, 2553, 4297, 12891, 16169, 48507, 81643, 98831, 158989, 244929, 296493, 476967, 1877789, 3020791, 3656747, 5633367, 9062373, 10970241, 69478193, 208434579]

約数ペア:

[(1, 208434579), (3, 69478193), (19, 10970241), (23, 9062373), (37, 5633367), (57, 3656747), (69, 3020791), (111, 1877789), (437, 476967), (703, 296493), (851, 244929), (1311, 158989), (2109, 98831), (2553, 81643), (4297, 48507), (12891, 16169)]