2010017989

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 2402459136

約数和(自身を除く): 392441147

約数列:

[1, 7, 41, 73, 197, 287, 487, 511, 1379, 2993, 3409, 8077, 14381, 19967, 20951, 35551, 56539, 95939, 100667, 139769, 248857, 589621, 671573, 1457591, 3933499, 4127347, 7003547, 10203137, 27534493, 49024829, 287145427, 2010017989]

約数ペア:

[(1, 2010017989), (7, 287145427), (41, 49024829), (73, 27534493), (197, 10203137), (287, 7003547), (487, 4127347), (511, 3933499), (1379, 1457591), (2993, 671573), (3409, 589621), (8077, 248857), (14381, 139769), (19967, 100667), (20951, 95939), (35551, 56539)]