256515586

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1\times {\mathrm{3391}}^1$

素因数の和:3849

約数の個数: 16

約数和(自身を含む): 389537280

約数和(自身を除く): 133021694

約数列:

[1, 2, 109, 218, 347, 694, 3391, 6782, 37823, 75646, 369619, 739238, 1176677, 2353354, 128257793, 256515586]

約数ペア:

[(1, 256515586), (2, 128257793), (109, 2353354), (218, 1176677), (347, 739238), (694, 369619), (3391, 75646), (6782, 37823)]