255891601

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{773}}^1$

素因数の和:949

約数の個数: 24

約数和(自身を含む): 311408064

約数和(自身を除く): 55516463

約数列:

[1, 7, 19, 131, 133, 361, 773, 917, 2489, 2527, 5411, 14687, 17423, 47291, 101263, 102809, 279053, 331037, 708841, 1923997, 1953371, 13467979, 36555943, 255891601]

約数ペア:

[(1, 255891601), (7, 36555943), (19, 13467979), (131, 1953371), (133, 1923997), (361, 708841), (773, 331037), (917, 279053), (2489, 102809), (2527, 101263), (5411, 47291), (14687, 17423)]