399498287

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{5557}}^1$

素因数の和:5690

約数の個数: 16

約数和(自身を含む): 430856160

約数和(自身を除く): 31357873

約数列:

[1, 29, 37, 67, 1073, 1943, 2479, 5557, 71891, 161153, 205609, 372319, 5962661, 10797251, 13775803, 399498287]

約数ペア:

[(1, 399498287), (29, 13775803), (37, 10797251), (67, 5962661), (1073, 372319), (1943, 205609), (2479, 161153), (5557, 71891)]