256089018

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{325813}}^1$

素因数の和:325949

約数の個数: 16

約数和(自身を含む): 516089376

約数和(自身を除く): 260000358

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 325813, 651626, 977439, 1954878, 42681503, 85363006, 128044509, 256089018]

約数ペア:

[(1, 256089018), (2, 128044509), (3, 85363006), (6, 42681503), (131, 1954878), (262, 977439), (393, 651626), (786, 325813)]