1640489739

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1033}}^1\times {\mathrm{1609}}^1$

素因数の和:2699

約数の個数: 32

約数和(自身を含む): 2557040640

約数和(自身を除く): 916550901

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 1033, 1609, 3099, 4827, 7231, 11263, 21693, 33789, 48551, 75623, 145653, 226869, 339857, 529361, 1019571, 1588083, 1662097, 4986291, 11634679, 34904037, 78118559, 234355677, 546829913, 1640489739]

約数ペア:

[(1, 1640489739), (3, 546829913), (7, 234355677), (21, 78118559), (47, 34904037), (141, 11634679), (329, 4986291), (987, 1662097), (1033, 1588083), (1609, 1019571), (3099, 529361), (4827, 339857), (7231, 226869), (11263, 145653), (21693, 75623), (33789, 48551)]