1640661689

素因数分解:

${\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{14783}}^1$

素因数の和:14944

約数の個数: 16

約数和(自身を含む): 1756339200

約数和(自身を除く): 115677511

約数列:

[1, 29, 43, 89, 1247, 2581, 3827, 14783, 110983, 428707, 635669, 1315687, 18434401, 38154923, 56574541, 1640661689]

約数ペア:

[(1, 1640661689), (29, 56574541), (43, 38154923), (89, 18434401), (1247, 1315687), (2581, 635669), (3827, 428707), (14783, 110983)]