257015488

素因数分解:

$2^6\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:549

約数の個数: 56

約数和(自身を含む): 520712192

約数和(自身を除く): 263696704

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 127, 206, 254, 307, 412, 508, 614, 824, 1016, 1228, 1648, 2032, 2456, 3296, 4064, 4912, 6592, 8128, 9824, 13081, 19648, 26162, 31621, 38989, 52324, 63242, 77978, 104648, 126484, 155956, 209296, 252968, 311912, 418592, 505936, 623824, 837184, 1011872, 1247648, 2023744, 2495296, 4015867, 8031734, 16063468, 32126936, 64253872, 128507744, 257015488]

約数ペア:

[(1, 257015488), (2, 128507744), (4, 64253872), (8, 32126936), (16, 16063468), (32, 8031734), (64, 4015867), (103, 2495296), (127, 2023744), (206, 1247648), (254, 1011872), (307, 837184), (412, 623824), (508, 505936), (614, 418592), (824, 311912), (1016, 252968), (1228, 209296), (1648, 155956), (2032, 126484), (2456, 104648), (3296, 77978), (4064, 63242), (4912, 52324), (6592, 38989), (8128, 31621), (9824, 26162), (13081, 19648)]