26757781491

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{839}}^1\times {\mathrm{1193}}^1$

素因数の和:2128

約数の個数: 64

約数和(自身を含む): 43648819200

約数和(自身を除く): 16891037709

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 399, 469, 839, 1193, 1273, 1407, 2517, 3579, 3819, 5873, 8351, 8911, 15941, 17619, 22667, 25053, 26733, 47823, 56213, 68001, 79931, 111587, 158669, 168639, 239793, 334761, 393491, 476007, 559517, 1000927, 1068047, 1180473, 1518689, 1678551, 3002781, 3204141, 4556067, 7006489, 7476329, 10630823, 19017613, 21019467, 22428987, 31892469, 57052839, 67062109, 133123291, 201186327, 399369873, 469434763, 1274180071, 1408304289, 3822540213, 8919260497, 26757781491]

約数ペア:

[(1, 26757781491), (3, 8919260497), (7, 3822540213), (19, 1408304289), (21, 1274180071), (57, 469434763), (67, 399369873), (133, 201186327), (201, 133123291), (399, 67062109), (469, 57052839), (839, 31892469), (1193, 22428987), (1273, 21019467), (1407, 19017613), (2517, 10630823), (3579, 7476329), (3819, 7006489), (5873, 4556067), (8351, 3204141), (8911, 3002781), (15941, 1678551), (17619, 1518689), (22667, 1180473), (25053, 1068047), (26733, 1000927), (47823, 559517), (56213, 476007), (68001, 393491), (79931, 334761), (111587, 239793), (158669, 168639)]