257139948

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{12979}}^1$

素因数の和:13126

約数の個数: 48

約数和(自身を含む): 651284480

約数和(自身を除く): 394144532

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 254, 381, 508, 762, 1524, 1651, 3302, 4953, 6604, 9906, 12979, 19812, 25958, 38937, 51916, 77874, 155748, 168727, 337454, 506181, 674908, 1012362, 1648333, 2024724, 3296666, 4944999, 6593332, 9889998, 19779996, 21428329, 42856658, 64284987, 85713316, 128569974, 257139948]

約数ペア:

[(1, 257139948), (2, 128569974), (3, 85713316), (4, 64284987), (6, 42856658), (12, 21428329), (13, 19779996), (26, 9889998), (39, 6593332), (52, 4944999), (78, 3296666), (127, 2024724), (156, 1648333), (254, 1012362), (381, 674908), (508, 506181), (762, 337454), (1524, 168727), (1651, 155748), (3302, 77874), (4953, 51916), (6604, 38937), (9906, 25958), (12979, 19812)]