257022

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 24

約数和(自身を含む): 566280

約数和(自身を除く): 309258

約数列:

[1, 2, 3, 6, 9, 18, 109, 131, 218, 262, 327, 393, 654, 786, 981, 1179, 1962, 2358, 14279, 28558, 42837, 85674, 128511, 257022]

約数ペア:

[(1, 257022), (2, 128511), (3, 85674), (6, 42837), (9, 28558), (18, 14279), (109, 2358), (131, 1962), (218, 1179), (262, 981), (327, 786), (393, 654)]