1640232486

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{1283437}}^1$

素因数の和:1283516

約数の個数: 24

約数和(自身を含む): 3603893904

約数和(自身を除く): 1963661418

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 1283437, 2566874, 3850311, 7700622, 11550933, 23101866, 91124027, 182248054, 273372081, 546744162, 820116243, 1640232486]

約数ペア:

[(1, 1640232486), (2, 820116243), (3, 546744162), (6, 273372081), (9, 182248054), (18, 91124027), (71, 23101866), (142, 11550933), (213, 7700622), (426, 3850311), (639, 2566874), (1278, 1283437)]