2788334549

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{47}}^2\times {\mathrm{97}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 3885795648

約数和(自身を除く): 1097461099

約数列:

[1, 7, 11, 13, 47, 77, 91, 97, 143, 169, 329, 517, 611, 679, 1001, 1067, 1183, 1261, 1859, 2209, 3619, 4277, 4559, 6721, 7469, 7943, 8827, 13013, 13871, 15463, 16393, 24299, 28717, 31913, 47047, 50149, 55601, 59267, 87373, 97097, 114751, 170093, 180323, 201019, 214273, 315887, 351043, 373321, 414869, 611611, 651937, 770471, 1262261, 1499911, 2211209, 2357003, 2613247, 2785549, 4106531, 4563559, 5393297, 8475181, 16499021, 19498843, 28745717, 30641039, 36212137, 59326267, 214487273, 253484959, 398333507, 2788334549]

約数ペア:

[(1, 2788334549), (7, 398333507), (11, 253484959), (13, 214487273), (47, 59326267), (77, 36212137), (91, 30641039), (97, 28745717), (143, 19498843), (169, 16499021), (329, 8475181), (517, 5393297), (611, 4563559), (679, 4106531), (1001, 2785549), (1067, 2613247), (1183, 2357003), (1261, 2211209), (1859, 1499911), (2209, 1262261), (3619, 770471), (4277, 651937), (4559, 611611), (6721, 414869), (7469, 373321), (7943, 351043), (8827, 315887), (13013, 214273), (13871, 201019), (15463, 180323), (16393, 170093), (24299, 114751), (28717, 97097), (31913, 87373), (47047, 59267), (50149, 55601)]