1978889458

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1\times {\mathrm{331}}^1$

素因数の和:767

約数の個数: 64

約数和(自身を含む): 3710665728

約数和(自身を除く): 1731776270

約数列:

[1, 2, 7, 13, 14, 26, 91, 107, 182, 214, 307, 331, 614, 662, 749, 1391, 1498, 2149, 2317, 2782, 3991, 4298, 4303, 4634, 7982, 8606, 9737, 19474, 27937, 30121, 32849, 35417, 55874, 60242, 65698, 70834, 101617, 203234, 229943, 247919, 427037, 459886, 460421, 495838, 711319, 854074, 920842, 1321021, 1422638, 2642042, 2989259, 3222947, 5978518, 6445894, 9247147, 10873019, 18494294, 21746038, 76111133, 141349247, 152222266, 282698494, 989444729, 1978889458]

約数ペア:

[(1, 1978889458), (2, 989444729), (7, 282698494), (13, 152222266), (14, 141349247), (26, 76111133), (91, 21746038), (107, 18494294), (182, 10873019), (214, 9247147), (307, 6445894), (331, 5978518), (614, 3222947), (662, 2989259), (749, 2642042), (1391, 1422638), (1498, 1321021), (2149, 920842), (2317, 854074), (2782, 711319), (3991, 495838), (4298, 460421), (4303, 459886), (4634, 427037), (7982, 247919), (8606, 229943), (9737, 203234), (19474, 101617), (27937, 70834), (30121, 65698), (32849, 60242), (35417, 55874)]