257423426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{66449}}^1$

素因数の和:66613

約数の個数: 16

約数和(自身を含む): 418635000

約数和(自身を除く): 161211574

約数列:

[1, 2, 13, 26, 149, 298, 1937, 3874, 66449, 132898, 863837, 1727674, 9900901, 19801802, 128711713, 257423426]

約数ペア:

[(1, 257423426), (2, 128711713), (13, 19801802), (26, 9900901), (149, 1727674), (298, 863837), (1937, 132898), (3874, 66449)]