1281389248

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{9781}}^1$

素因数の和:9905

約数の個数: 56

約数和(自身を含む): 2683398240

約数和(自身を除く): 1402008992

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 89, 92, 178, 184, 356, 368, 712, 736, 1424, 1472, 2047, 2848, 4094, 5696, 8188, 9781, 16376, 19562, 32752, 39124, 65504, 78248, 131008, 156496, 224963, 312992, 449926, 625984, 870509, 899852, 1741018, 1799704, 3482036, 3599408, 6964072, 7198816, 13928144, 14397632, 20021707, 27856288, 40043414, 55712576, 80086828, 160173656, 320347312, 640694624, 1281389248]

約数ペア:

[(1, 1281389248), (2, 640694624), (4, 320347312), (8, 160173656), (16, 80086828), (23, 55712576), (32, 40043414), (46, 27856288), (64, 20021707), (89, 14397632), (92, 13928144), (178, 7198816), (184, 6964072), (356, 3599408), (368, 3482036), (712, 1799704), (736, 1741018), (1424, 899852), (1472, 870509), (2047, 625984), (2848, 449926), (4094, 312992), (5696, 224963), (8188, 156496), (9781, 131008), (16376, 78248), (19562, 65504), (32752, 39124)]