2005163979

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{7643}}^1$

素因数の和:7728

約数の個数: 48

約数和(自身を含む): 3400540416

約数和(自身を除く): 1395376437

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 961, 1209, 2821, 2883, 6727, 7643, 8463, 12493, 20181, 22929, 37479, 53501, 87451, 99359, 160503, 236933, 262353, 298077, 695513, 710799, 1658531, 2086539, 3080129, 4975593, 7344923, 9240387, 21560903, 22034769, 51414461, 64682709, 95483999, 154243383, 286451997, 668387993, 2005163979]

約数ペア:

[(1, 2005163979), (3, 668387993), (7, 286451997), (13, 154243383), (21, 95483999), (31, 64682709), (39, 51414461), (91, 22034769), (93, 21560903), (217, 9240387), (273, 7344923), (403, 4975593), (651, 3080129), (961, 2086539), (1209, 1658531), (2821, 710799), (2883, 695513), (6727, 298077), (7643, 262353), (8463, 236933), (12493, 160503), (20181, 99359), (22929, 87451), (37479, 53501)]