1640986509

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{1181}}^1\times {\mathrm{1283}}^1$

素因数の和:2505

約数の個数: 24

約数和(自身を含む): 2312956512

約数和(自身を除く): 671970003

約数列:

[1, 3, 19, 57, 361, 1083, 1181, 1283, 3543, 3849, 22439, 24377, 67317, 73131, 426341, 463163, 1279023, 1389489, 1515223, 4545669, 28789237, 86367711, 546995503, 1640986509]

約数ペア:

[(1, 1640986509), (3, 546995503), (19, 86367711), (57, 28789237), (361, 4545669), (1083, 1515223), (1181, 1389489), (1283, 1279023), (3543, 463163), (3849, 426341), (22439, 73131), (24377, 67317)]